/* This function is used to change the style class of an element */
function swapClass(obj, newStyle) {
    obj.className = newStyle;
}

	function changeTitle(title) {
		document.title=title;
	}


function isUndefined(value) {   
    var undef;   
    return value == undef; 
}

function checkAll(theForm) { // check all the checkboxes in the list
  for (var i=0;i<theForm.elements.length;i++) {
    var e = theForm.elements[i];
		var eName = e.name;
    	if (eName != 'allbox' && 
            (e.type.indexOf("checkbox") == 0)) {
        	e.checked = theForm.allbox.checked;		
		}
	} 
}

/* Function to clear a form of all it's values */
function clearForm(frmObj) {
	for (var i = 0; i < frmObj.length; i++) {
        var element = frmObj.elements[i];
		if(element.type.indexOf("text") == 0 || 
				element.type.indexOf("password") == 0) {
					element.value="";
		} else if (element.type.indexOf("radio") == 0) {
			element.checked=false;
		} else if (element.type.indexOf("checkbox") == 0) {
			element.checked = false;
		} else if (element.type.indexOf("select") == 0) {
			for(var j = 0; j < element.length ; j++) {
				element.options[j].selected=false;
			}
            element.options[0].selected=true;
		}
	} 
}

/* Function to get a form's values in a string */
function getFormAsString(frmObj) {
    var query = "";
	for (var i = 0; i < frmObj.length; i++) {
        var element = frmObj.elements[i];
        if (element.type.indexOf("checkbox") == 0 || 
            element.type.indexOf("radio") == 0) { 
            if (element.checked) {
                query += element.name + '=' + escape(element.value) + "&";
            }
		} else if (element.type.indexOf("select") == 0) {
			for (var j = 0; j < element.length ; j++) {
				if (element.options[j].selected) {
                    query += element.name + '=' + escape(element.value) + "&";
                }
			}
        } else {
            query += element.name + '=' 
                  + escape(element.value) + "&"; 
        }
    } 
    return query;
}

/* Function to hide form elements that show through
   the search form when it is visible */
function toggleForm(frmObj, iState) // 1 visible, 0 hidden 
{
	for(var i = 0; i < frmObj.length; i++) {
		if (frmObj.elements[i].type.indexOf("select") == 0 || frmObj.elements[i].type.indexOf("checkbox") == 0) {
            frmObj.elements[i].style.visibility = iState ? "visible" : "hidden";
		}
	} 
}

/* Helper function for re-ordering options in a select */
function opt(txt,val,sel) {
    this.txt=txt;
    this.val=val;
    this.sel=sel;
}

/* Function for re-ordering <option>'s in a <select> */
function move(list,to) {     
    var total=list.options.length;
    index = list.selectedIndex;
    if (index == -1) return false;
    if (to == +1 && index == total-1) return false;
    if (to == -1 && index == 0) return false;
    to = index+to;
    var opts = new Array();
    for (i=0; i<total; i++) {
        opts[i]=new opt(list.options[i].text,list.options[i].value,list.options[i].selected);
    }
    tempOpt = opts[to];
    opts[to] = opts[index];
    opts[index] = tempOpt
    list.options.length=0; // clear
    
    for (i=0;i<opts.length;i++) {
        list.options[i] = new Option(opts[i].txt,opts[i].val);
        list.options[i].selected = opts[i].sel;
    }
    
    list.focus();
} 

/*  This function is to select all options in a multi-valued <select> */
function selectAll(elementId) {
    var element = document.getElementById(elementId);
	len = element.length;
	if (len != 0) {
		for (i = 0; i < len; i++) {
			element.options[i].selected = true;
		}
	}
}

/* This function is used to select a checkbox by passing
 * in the checkbox id
 */
function toggleChoice(elementId) {
    var element = document.getElementById(elementId);
    if (element.checked) {
        element.checked = false;
    } else {
        element.checked = true;
    }
}

/* This function is used to select a radio button by passing
 * in the radio button id and index you want to select
 */
function toggleRadio(elementId, index) {
    var element = document.getElementsByName(elementId)[index];
    element.checked = true;
}

/* This function is used to open a pop-up window */
function openWindow(url, winTitle, winParams) {
	winName = window.open(url, winTitle, winParams);
    winName.focus();
}


/* This function is to open search results in a pop-up window */
function openSearch(url, winTitle) {
    var screenWidth = parseInt(screen.availWidth);
    var screenHeight = parseInt(screen.availHeight);

    var winParams = "width=" + screenWidth + ",height=" + screenHeight;
        winParams += ",left=0,top=0,toolbar,scrollbars,resizable,status=yes";

    openWindow(url, winTitle, winParams);
}

/* This function is used to set cookies */
function setCookie(name,value,expires,path,domain,secure) {
  document.cookie = name + "=" + escape (value) +
    ((expires) ? "; expires=" + expires.toGMTString() : "") +
    ((path) ? "; path=" + path : "") +
    ((domain) ? "; domain=" + domain : "") + ((secure) ? "; secure" : "");
}

/* This function is used to get cookies */
function getCookie(name) {
	var prefix = name + "=" 
	var start = document.cookie.indexOf(prefix) 

	if (start==-1) {
		return null;
	}
	
	var end = document.cookie.indexOf(";", start+prefix.length) 
	if (end==-1) {
		end=document.cookie.length;
	}

	var value=document.cookie.substring(start+prefix.length, end) 
	return unescape(value);
}

/* This function is used to delete cookies */
function deleteCookie(name,path,domain) {
  if (getCookie(name)) {
    document.cookie = name + "=" +
      ((path) ? "; path=" + path : "") +
      ((domain) ? "; domain=" + domain : "") +
      "; expires=Thu, 01-Jan-70 00:00:01 GMT";
  }
}

// This function is for stripping leading and trailing spaces
function trim(str) { 
    if (str != null) {
        var i; 
        for (i=0; i<str.length; i++) {
            if (str.charAt(i)!=" ") {
                str=str.substring(i,str.length); 
                break;
            } 
        } 
    
        for (i=str.length-1; i>=0; i--) {
            if (str.charAt(i)!=" ") {
                str=str.substring(0,i+1); 
                break;
            } 
        } 
        
        if (str.charAt(0)==" ") {
            return ""; 
        } else {
            return str; 
        }
    }
} 

// This function is used by the login screen to validate user/pass
// are entered. 
function validateRequired(form) {                                    
    var bValid = true;
    var focusField = null;
    var i = 0;                                                                                          
    var fields = new Array();                                                                           
    oRequired = new required();                                                                         
                                                                                                        
    for (x in oRequired) {                                                                              
        if ((form[oRequired[x][0]].type == 'text' || form[oRequired[x][0]].type == 'textarea' || form[oRequired[x][0]].type == 'select-one' || form[oRequired[x][0]].type == 'radio' || form[oRequired[x][0]].type == 'password') && form[oRequired[x][0]].value == '') {
           if (i == 0)
              focusField = form[oRequired[x][0]]; 
              
           fields[i++] = oRequired[x][1];
            
           bValid = false;                                                                             
        }                                                                                               
    }                                                                                                   
                                                                                                       
    if (fields.length > 0) {
       focusField.focus();
       alert(fields.join('\n'));                                                                      
    }                                                                                                   
                                                                                                       
    return bValid;                                                                                      
}

// This function is a generic function to create form elements
function createFormElement(element, type, name, id, value, parent) {
    var e = document.createElement(element);
    e.setAttribute("name", name);
    e.setAttribute("type", type);
    e.setAttribute("id", id);
    e.setAttribute("value", value);
    parent.appendChild(e);
}

function confirmDelete(obj) {   
    var msg = "Are you sure you want to delete this " + obj + "?";
    ans = confirm(msg);
    if (ans) {
        return true;
    } else {
        return false;
    }
}

function highlightTableRows(tableId) {
    var previousClass = null;
    var table = document.getElementById(tableId); 
    var tbody = table.getElementsByTagName("tbody")[0];
    var rows;
    if (tbody == null) {
        rows = table.getElementsByTagName("tr");
    } else {
        rows = tbody.getElementsByTagName("tr");
    }
    // add event handlers so rows light up and are clickable
    for (i=0; i < rows.length; i++) {
        rows[i].onmouseover = function() { previousClass=this.className;this.className+=' over' };
        rows[i].onmouseout = function() { this.className=previousClass };
        rows[i].onclick = function() {
            var cell = this.getElementsByTagName("td")[0];
            var link = cell.getElementsByTagName("a")[0];
            location.href = link.getAttribute("href");
            this.style.cursor="wait";
        }
    }
}

function insertItemValue (titleText, titleNumber, orderId, mfOrderId, productId){

	document.returnForm.selectionNumber.value = titleNumber;	
	document.returnForm.orderNumber.value = orderId;	
	document.returnForm.mfOrderNumber.value = mfOrderId;	
	document.returnForm.productId.value = productId;	
	
	var titleSpan = document.getElementById ("returnTitle");
	var titleNum = document.getElementById ("returnId");
	
	titleSpan.innerHTML=titleText;
	titleNum.innerHTML=titleNumber;
}		

function setReturnType(returnType){
	document.returnForm.returnType.value = returnType;	
}

//function to manage responces based on the selection
function respond(){

	var f=document.forms['returnForm'];
	var selectBox=f.elements['cause'];
	var choice = selectBox.selectedIndex;
	var reason=selectBox.options[choice].value;	
	
	switch (reason){
	
	case 'noselection':
	MM_changeProp('reasonError','','style.display','block','LAYER');
	break;
	
	case 'wrongitem':
	MM_changeProp('reasonError','','style.display','none','LAYER');
	MM_changeProp('respond1','','style.display','block','LAYER');
	MM_changeProp('shadeHeight','','style.height','274','LAYER');
	MM_changeProp('returnButtons','','style.display','none','LAYER');
	MM_changeProp('grayOut','','style.color','#ccc','LAYER');
	document.forms['returnForm'].cause.disabled=true;
	break;
	
	case 'tendays':
	MM_changeProp('reasonError','','style.display','none','LAYER');
	MM_changeProp('respond2','','style.display','block','LAYER');
	MM_changeProp('shadeHeight','','style.height','290','LAYER');
	MM_changeProp('returnButtons','','style.display','none','LAYER');
	MM_changeProp('grayOut','','style.color','#ccc','LAYER');
	document.forms['returnForm'].cause.disabled=true;
	break;
	
	case 'defective':
	MM_changeProp('reasonError','','style.display','none','LAYER');
	MM_changeProp('respond3','','style.display','block','LAYER');
	MM_changeProp('shadeHeight','','style.height','190','LAYER');
	MM_changeProp('returnButtons','','style.display','none','LAYER');
	MM_changeProp('grayOut','','style.color','#ccc','LAYER');
	document.forms['returnForm'].cause.disabled=true;
	break;
	
	case 'dontwant':
	MM_changeProp('reasonError','','style.display','none','LAYER');
	MM_changeProp('respond4','','style.display','block','LAYER');
	MM_changeProp('shadeHeight','','style.height','290','LAYER');
	MM_changeProp('returnButtons','','style.display','none','LAYER');
	MM_changeProp('grayOut','','style.color','#ccc','LAYER');
	document.forms['returnForm'].cause.disabled=true;
	break;
	
	default:
	
	}

}
	
	//function to display confirmation message
function confirmReturn (r){
	var prodTitleValue= (r=='respond1' && document.returnForm.prodTitle.value=='')?"blank":"notBlank";	
	
	switch (prodTitleValue){
	
	case 'blank':
	MM_changeProp('reasonErrorBlank','','style.display','block','LAYER');
	break;
	
	default:
	MM_changeProp(r,'','style.display','none','LAYER');
	MM_changeProp('shadeHeight','','style.height','190','LAYER');

	MM_changeProp('grayOut','','style.display','none','LAYER');
	MM_changeProp('shadeHeight','','style.height','20','LAYER');

	MM_changeProp('confirmReturnText','','style.display','block','LAYER');
	MM_changeProp('shadeHeight','','style.height','100','LAYER');
	
	setReturnType(r);
	document.returnForm.submit();
	break;
	
	}
}
	
function highlightFormElements() {
    // add input box highlighting
    addFocusHandlers(document.getElementsByTagName("input"));
    addFocusHandlers(document.getElementsByTagName("textarea"));
}

function addFocusHandlers(elements) {
    for (i=0; i < elements.length; i++) {
        if (elements[i].type != "button" && elements[i].type != "submit" &&
            elements[i].type != "reset" && elements[i].type != "checkbox" && elements[i].type != "radio") {
            if (!elements[i].getAttribute('readonly') && !elements[i].getAttribute('disabled')) {
                elements[i].onfocus=function() {this.style.backgroundColor='#ffd';this.select()};
                elements[i].onmouseover=function() {this.style.backgroundColor='#ffd'};
                elements[i].onblur=function() {this.style.backgroundColor='';}
                elements[i].onmouseout=function() {this.style.backgroundColor='';}
            }
        }
    }
}

function radio(clicked){
    var form = clicked.form;
    var checkboxes = form.elements[clicked.name];
    if (!clicked.checked || !checkboxes.length) {
        clicked.parentNode.parentNode.className="";
        return false;
    }

    for (i=0; i<checkboxes.length; i++) {
        if (checkboxes[i] != clicked) {
            checkboxes[i].checked=false;
            checkboxes[i].parentNode.parentNode.className="";
        }
    }

    // highlight the row    
    clicked.parentNode.parentNode.className="over";
}

window.onload = function() {
    highlightFormElements();
    if ($('successMessages')) {
        new Effect.Highlight('successMessages');
        // causes webtest exception on OS X : http://lists.canoo.com/pipermail/webtest/2006q1/005214.html
        // window.setTimeout("Effect.DropOut('successMessages')", 3000);
    }
    if ($('errorMessages')) {
        new Effect.Highlight('errorMessages');
    }
    
    /* Initialize menus for IE */
    if ($("primary-nav")) {
        var navItems = $("primary-nav").getElementsByTagName("li");
    
        for (var i=0; i<navItems.length; i++) {
            if (navItems[i].className == "menubar") {
                navItems[i].onmouseover=function() { this.className += " over"; }
                navItems[i].onmouseout=function() { this.className = "menubar"; }
            }
        }
    }
}

// Show the document's title on the status bar
window.defaultStatus=document.title;

function createXmlRequest() {
	var req;

    // branch for native XMLHttpRequest object
    if (window.XMLHttpRequest) {
        req = new XMLHttpRequest();
    // branch for IE/Windows ActiveX version
    } else if (window.ActiveXObject) {
        req = new ActiveXObject("Microsoft.XMLHTTP");
    }
    
    return req;
}

function makeXmlRequest(url, data, successCallback, failureCallback) {
	if (window.ActiveXObject) {
		url = url + "&time=" + new Date().getTime();
	}
	var request = createXmlRequest();
	//alert(request.readyState );
	request.onreadystatechange = function() {
		//alert(request.readyState );
    	if (request.readyState == 4) {
    		if (request.status == 200) {
    			if (successCallback != undefined) {
    				successCallback(request, data);
    			}
    		} else {
    			if (failureCallback != undefined) {
    				failureCallback(request, data);
    			}
    		}
    	}
    };
    request.open("GET", url, true);
    request.send(null);
    //alert("just sent XMlHTTPRequest to "+url);
}
function postXmlRequest(url, data, successCallback, failureCallback, params) {
	if (window.ActiveXObject) {
		url = url + "&time=" + new Date().getTime();
	}
	var request = createXmlRequest();
	//alert(request.readyState );
	request.onreadystatechange = function() {
		//alert(request.readyState );
    	if (request.readyState == 4) {
    		if (request.status == 200) {
    			if (successCallback != undefined) {
    				successCallback(request, data);
    			}
    		} else {
    			if (failureCallback != undefined) {
    				failureCallback(request, data);
    			}
    		}
    	}
    };
    request.open("POST", url, true);
    request.send(params);
    //alert("just sent XMlHTTPRequest to "+url);
}
function formData(formId) {
	formId=document.getElementById(formId)
	var postStr= '';
	for (i = 0; i < formId.elements.length; i++) {
		formElem = formId.elements[i];
		if (formElem.name && formElem.value){
			switch (formElem.type) {
				case 'checkbox':					
					if (!formElem.checked){
						break;
					}	
				default:
					if (formElem.value != ''){
						postStr += '&'+formElem.name+'='+formElem.value;
						}
					break;
			}
		}
	}	
	return postStr;
}
var BrowserDetect = {
	init: function () {
		this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
		this.version = this.searchVersion(navigator.userAgent)
			|| this.searchVersion(navigator.appVersion)
			|| "an unknown version";
		this.OS = this.searchString(this.dataOS) || "an unknown OS";
	},
	searchString: function (data) {
		for (var i=0;i<data.length;i++)	{
			var dataString = data[i].string;
			var dataProp = data[i].prop;
			this.versionSearchString = data[i].versionSearch || data[i].identity;
			if (dataString) {
				if (dataString.indexOf(data[i].subString) != -1)
					return data[i].identity;
			}
			else if (dataProp)
				return data[i].identity;
		}
	},
	searchVersion: function (dataString) {
		var index = dataString.indexOf(this.versionSearchString);
		if (index == -1) return;
		return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
	},
	dataBrowser: [
		{ 	string: navigator.userAgent,
			subString: "OmniWeb",
			versionSearch: "OmniWeb/",
			identity: "OmniWeb"
		},
		{
			string: navigator.vendor,
			subString: "Apple",
			identity: "Safari"
		},
		{
			prop: window.opera,
			identity: "Opera"
		},
		{
			string: navigator.vendor,
			subString: "iCab",
			identity: "iCab"
		},
		{
			string: navigator.vendor,
			subString: "KDE",
			identity: "Konqueror"
		},
		{
			string: navigator.userAgent,
			subString: "Firefox",
			identity: "Firefox"
		},
		{
			string: navigator.vendor,
			subString: "Camino",
			identity: "Camino"
		},
		{		// for newer Netscapes (6+)
			string: navigator.userAgent,
			subString: "Netscape",
			identity: "Netscape"
		},
		{
			string: navigator.userAgent,
			subString: "MSIE",
			identity: "Explorer",
			versionSearch: "MSIE"
		},
		{
			string: navigator.userAgent,
			subString: "Gecko",
			identity: "Mozilla",
			versionSearch: "rv"
		},
		{ 		// for older Netscapes (4-)
			string: navigator.userAgent,
			subString: "Mozilla",
			identity: "Netscape",
			versionSearch: "Mozilla"
		}
	],
	dataOS : [
		{
			string: navigator.platform,
			subString: "Win",
			identity: "Windows"
		},
		{
			string: navigator.platform,
			subString: "Mac",
			identity: "Mac"
		},
		{
			string: navigator.platform,
			subString: "Linux",
			identity: "Linux"
		}
	]

};
BrowserDetect.init();

// This preloads images.
function imgPreload () {
 var args = imgPreload.arguments;
 document.imageArray = new Array ( args.length ) ;
 for (var i = 0; i<args.length; i++ ){
	document.imageArray[i] = new Image();
	document.imageArray[i].src = args[i];
 }
}

function addLoadEvent(func) { 
	  var oldonload = window.onload; 
	  if (typeof window.onload != 'function') { 
	    window.onload = func; 
	  } else { 
	    window.onload = function() { 
	      if (oldonload) { 
	        oldonload(); 
	      } 
	      func(); 
	    } 
	  } 
}