/* This function is used to change the style class of an element */
function swapClass(obj, newStyle) {
    obj.className = newStyle;
}

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 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"; }
            }
        }
    }
}


function getAllCategory(){
		var MAX_LENGTH = 8; 
		
		var notHaveChildArray = $$('a.notHaveChild');
		var haveChildArray = $$('a.parent');
		var childArray = $$('a.child');
		
		for(var i = 0; i < notHaveChildArray.length; i++){
			var aItem = notHaveChildArray[i];
			var content = aItem.innerHTML;
			var contentWords = content.split(" ");			
			
			if(contentWords.length> MAX_LENGTH){
				var newContent = "";
				for(var j = 0; j < MAX_LENGTH; j++){
					newContent += contentWords[j]+" ";
				}
				newContent += "...";
				aItem.innerHTML = newContent;
			}
		}  	
		
		for(var i = 0; i < haveChildArray.length; i++){
			var aItem = haveChildArray[i];
			var content = aItem.innerHTML;
			var contentWords = content.split(" ");
			
			if(contentWords.length>MAX_LENGTH){
				var newContent = "";
				for(var j = 0; j < MAX_LENGTH; j++){
					newContent += contentWords[j]+" ";
				}
				newContent += "..."
				aItem.innerHTML = newContent;
			}
		} 	
		
  		for(var i = 0; i < childArray.length; i++){
			var aItem = childArray[i];
			var content = aItem.innerHTML;
			var contentWords = content.split(" ");
			
			if(contentWords.length> MAX_LENGTH){
				var newContent = "";
				for(var j = 0; j < MAX_LENGTH; j++){
					newContent += contentWords[j]+" ";
				}
				newContent += "..."
				aItem.innerHTML = newContent;
			}
		} 		
}

function restrictDetails(maxWord){
	var detailsArray = $$('div.details');
	for(var i = 0; i < detailsArray.length; i++){
		var aItem = detailsArray[i];
		var content = aItem.innerHTML;
		var contentWords = content.split(" ");			
		
		if(contentWords.length> maxWord){
			var newContent = "";
			for(var j = 0; j < maxWord; j++){
				newContent += contentWords[j]+" ";
			}
			newContent += "...";
			aItem.innerHTML = newContent;
		}
	}
}

// Declaring valid date character, minimum year and maximum year
var dtCh= "/";
var minYear=999;
var maxYear=2100;

function isInteger(s){
	var i;
    for (i = 0; i < s.length; i++){   
        // Check that current character is number.
        var c = s.charAt(i);
        if (((c < "0") || (c > "9"))) return false;
    }
    // All characters are numbers.
    return true;
}

function stripCharsInBag(s, bag){
	var i;
    var returnString = "";
    // Search through string's characters one by one.
    // If character is not in bag, append to returnString.
    for (i = 0; i < s.length; i++){   
        var c = s.charAt(i);
        if (bag.indexOf(c) == -1) returnString += c;
    }
    return returnString;
}

function daysInFebruary (year){
	// February has 29 days in any year evenly divisible by four,
    // EXCEPT for centurial years which are not also divisible by 400.
    return (((year % 4 == 0) && ( (!(year % 100 == 0)) || (year % 400 == 0))) ? 29 : 28 );
}
function DaysArray(n) {
	for (var i = 1; i <= n; i++) {
		this[i] = 31
		if (i==4 || i==6 || i==9 || i==11) {this[i] = 30}
		if (i==2) {this[i] = 29}
   } 
   return this
}

function validateDate(dtStr){
	var daysInMonth = DaysArray(12)
	var pos1=dtStr.indexOf(dtCh)
	var pos2=dtStr.indexOf(dtCh,pos1+1)
	var strDay=dtStr.substring(0,pos1)
	var strMonth=dtStr.substring(pos1+1,pos2)
	var strYear=dtStr.substring(pos2+1)
	strYr=strYear
	if (strDay.charAt(0)=="0" && strDay.length>1) strDay=strDay.substring(1)
	if (strMonth.charAt(0)=="0" && strMonth.length>1) strMonth=strMonth.substring(1)
	for (var i = 1; i <= 3; i++) {
		if (strYr.charAt(0)=="0" && strYr.length>1) strYr=strYr.substring(1)
	}
	month=parseInt(strMonth)
	day=parseInt(strDay)
	year=parseInt(strYr)
	if (pos1==-1 || pos2==-1){
		return 1
	}
	if (strMonth.length<1 || month<1 || month>12){
		return 2
	}
	if (strDay.length<1 || day<1 || day>31 || (month==2 && day>daysInFebruary(year)) || day > daysInMonth[month]){
		return 3
	}
	if (dtStr.indexOf(dtCh,pos2+1)!=-1 || isInteger(stripCharsInBag(dtStr, dtCh))==false){
		return 5
	}
	if (strYear.length != 4 || year==0 || year<minYear){
		return 4
	}
	
return 0
}

function openPreviewPopup(helpContent) {
	var w = 800;
	var h = 600;
	var left = (screen.width/2)-(w/2);
	var top = (screen.height/2)-(h/2);
	var pageURL = helpContent;
	var title = "PrintOrderDetail"; 

	var a = window.open (pageURL, title, 'toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=yes, resizable=yes, copyhistory=no, width='+w+', height='+h+', top='+top+', left='+left);		
}	


// Show the document's title on the status bar
window.defaultStatus=document.title;

