// This method will only add two positive numbers which should be passed as strings
function add(x,y) {
	var num1 = x;
	var num2 = y;
	if(num1.length < num2.length){
		num1 = y;
		num2 = x;
	}
	
	//num1 length is always greater than or equal to num2 length
	num1 = reverseString(num1);
	num2 = reverseString(num2);

	//adding tailing 0's for smaller length num
	var tailingZeros = "";
	for(i=0; i<(num1.length - num2.length);i++){
		tailingZeros = tailingZeros+'0';
	}
	num2 = num2+tailingZeros;
	var num1Ary = new Array(num1.length);
	var num2Ary = new Array(num2.length);
	
	num1Ary = num1.split("");
	num2Ary = num2.split("");

	if(num1Ary.length == num2Ary.length){
		var carry = 0;
		var retStr = "";
		for(i=0; i< num1Ary.length; i++){
			var dx = 0;
			var dy = 0;
			var sum = 0;
			dx = parseInt(num1Ary[i]);
			try{
				dy = parseInt(num2Ary[i]);
			}catch(e){
				dy = 0;
			}
			sum = dx + dy + carry;
			var c = sum.toString();
			if(c.length == 2){
				retStr = retStr + c.charAt(1);
				carry = 1;
				
			}else{
				carry = 0;
				retStr = retStr + c;
			}
		}
		if(carry == 1){
			retStr = retStr + carry
		}
		retStr = reverseString(retStr);
	}
	return retStr;
}

//This will always subtract the smaller number from the bigger num no matter what order you give in
function sub(x,y) {
	var num1 = x;
	var num2 = y;
	if(num1.length < num2.length){
		num1 = y;
		num2 = x;
	}
	
	//num1 length is always greater than or equal to num2 length
	num1 = reverseString(num1);
	num2 = reverseString(num2);

	//adding tailing 0's for smaller length num
	var tailingZeros = "";
	for(i=0; i<(num1.length - num2.length);i++){
		tailingZeros = tailingZeros+'0';
	}
	num2 = num2+tailingZeros;
	var num1Ary = new Array(num1.length);
	var num2Ary = new Array(num2.length);
	
	num1Ary = num1.split("");
	num2Ary = num2.split("");

	if(num1Ary.length == num2Ary.length){
		var carry = 0;
		var retStr = "";
		for(i=0; i< num1Ary.length; i++){
			var dx = 0;
			var dy = 0;
			var diff = 0;
			dx = parseInt(num1Ary[i]);
			try{
				dy = parseInt(num2Ary[i]);
			}catch(e){
				dy = 0;
			}
			diff = dx - dy - carry;
			var c = diff.toString();
			if(c.length >= 2){
				diff = diff+10;
				retStr = retStr + diff;
				carry = 1;
				
			}else{
				carry = 0;
				retStr = retStr + c;
			}
		}
		retStr = reverseString(retStr);
	}
	return retStr;
}

function reverseString(str){
	var temp = new Array(str.length);
	temp = str.split("");
	temp = temp.reverse();
	var rStr = "";
	for(i=0; i< temp.length; i++){
		rStr = rStr+temp[i];
	}
	return rStr;
}



/* Browser Detection */
var agent 	= navigator.userAgent.toLowerCase();
var isIE 	= (agent.indexOf('msie') != -1);
var isIE5 	= (agent.indexOf('msie 5') != -1);
function helpOn(id){
	document.getElementById(id).style.display='block';
}
function helpOff(id){
	document.getElementById(id).style.display='none';
}
/* Incontext Help */
function showHelp() {
  obj = document.getElementById('help_show');
  obj.style.display = 'block';
  obj = document.getElementById('help_hide');
  obj.style.display = 'none';
}
function hideHelp(iid) {
  obj = document.getElementById('help_show');
  obj.style.display = 'none';
  obj = document.getElementById('help_hide');
  obj.style.display = 'block';
}
/* Windows */
function openWindow(url, myname, w, h){
	var scroll = 'no';
	var resize = 'no';
	var winl = (screen.width - w) / 2;
	var wint = (screen.height - h) / 2;
	var props = 'height='+h+',width='+w+',top='+wint+',left='+winl+',scrollbars='+scroll+',resizable='+resize;
	popupWin = window.open(url, myname, props);
	popupWin.focus();
}
function addAttribute (name){
	obj = document.getElementById(name);
	var attribName = name.substr(0,name.indexOf("_attrib"));
	obj.innerHTML="<span class='blueLink'><strong>Enter Attribute</strong></span> <input type='text' name='" + attribName + "' class='formField' style='width: 150px'> <span class='formButtonSubmitBorder'><input type='button' style='width: 60px' name='s' value='ADD' onclick='this.form.btnAction.value=\"add\";this.form.submit()' class='formButtonSubmit'></span><span class='formButtonBorder' ><input type='button' style='width: 60px' name='s' value='CANCEL' class='formButton' onclick='cancelAttribute(\""+name+"\")'></span>";
}
function addLink (name){
	obj = document.getElementById(name);
	var attribName = name.substr(0,name.indexOf("_attrib"));
	obj.innerHTML="<table cellpadding='2' cellspacing ='0'><tr><td><span class='blueLink'><strong>Enter Link Title</strong></span> <span style='color:#000000; font-size:10px;'>(Example: My Auction, My Site, Buy Now)</span></td></tr><tr><td><input type='text' onBlur='formLink()' id='linkTitle' name='" + attribName +"_title' class='formField' style='width: 150px'></td></tr><tr><td><span class='blueLink'><strong>Enter Link URL</strong></span> <span style='color:#000000; font-size:10px;'>(Example: http://www.myauction.com)</span></td></tr><tr><td><input type='text' onBlur='formLink()' id='linkURL' name='" + attribName +"_url' class='formField' style='width: 250px'></td></tr><tr><td colspan='2'><input type='hidden' id='linkStr' name='" + attribName +"_new' /><span class='formButtonSubmitBorder'><input type='button' style='width: 60px' name='s' value='ADD'  onclick='if(validateURL()){if(validateTitle()){this.form.submit();}else{alert(\"Title Field cannot be blank\")}}else{alert(\"This is not a valid url\")}' class='formButtonSubmit'></span><span class='formButtonBorder' ><input type='button' style='width: 60px' name='s' value='CANCEL' class='formButton' onclick='cancelLink(\""+name+"\")'></span></td></tr></table>";
}

function addVideo(){
	obj = document.getElementById('videoType');
	obj2 = document.getElementById('videoSourceContainer');
	if(obj.value != null && obj.value != ""){
		obj2.style.display = "block";
		obj3 = document.getElementById('videoSource');
		if(obj3.value == null || obj3.value == ""){
			obj3.value="Please copy and paste the code here";
		}
	}else{
		obj2.style.display = "none";
	}
}
function clearComment(name){
	obj = document.getElementById(name);
	if(obj.value == 'Please copy and paste the code here'){
		obj.value = "";
	}
}

function cancelLink (name){
	obj = document.getElementById(name);
	obj.innerHTML="<a href='javascript:addLink(\""+name+"\")'><img src='images/icons/add.gif' width='20' height='20' border='0' align='absmiddle'></a> <a href='javascript:addLink(\""+name+"\")' class='blueLink'><strong>Add Link</strong></a>";
}

function submitLink(){
	this.form.btnAction.value= 'addLink';
	if(validateURL()){
		this.form.submit();
	}else{
		alert('Is not a Valid URL');
	}
}

function validateTitle(){
	var title = document.getElementById('linkTitle').value;
	if(title != null){
		title = title.replace(/\s+/gm, "");
	}
	if(title == ""){
		return false;
	}else{
		return true;
	}
}

function validateURL(){
	var url = document.getElementById('linkURL').value;
	if (/(http|https):\/\/(\w+:{0,1}\w*@)?(\S+)(:[0-9]+)?(\/|\/([\w#!:.?+=&%@!\-\/]))?/.test(url)){
		return (true);
	} else {
		return (false);
	}
}

function validateEmail(email) {
	 var emailReg = /^([\w-]+(?:\.[\w-]+)*)@((?:[\w-]+\.)*\w[\w-]{0,66})\.([a-z]{2,6}(?:\.[a-z]{2})?)$/i;
	 var regex = new RegExp(emailReg);
	 if (regex.test(email)){
		return true;
	} else {
		return false;
	}
}



function formLink(){
	//var charCode = window.event.keyCode;
	var objTitle = document.getElementById('linkTitle');
	var objURL = document.getElementById('linkURL');
	if(objTitle.value.indexOf('"') != -1){
		alert("Double Quotes are not allowed");
		objTitle.value = objTitle.value.replace('"','');
	}
	if(objURL.value.indexOf('"') != -1){
		alert("Double Quotes are not allowed");
		objURL.value = objURL.value.replace('"','');
	}
	var check = objURL.value.toLowerCase();
	if(check.indexOf('javascript:') != -1){
		check = check.replace('javascript:','');
		objURL.value = check;
		alert('Javascript not allowed');
	}	
	//if(charCode == 222){
		//objTitle.value = objTitle.value.replace("'","");
		//objURL.value = objURL.value.replace("'","");
		//objTitle.value = objTitle.value.replace('"','');
		//objURL.value = objURL.value.replace('"','');
		//alert("Quotes or Double Quotes are not allowed");
		//return false;
	//}
	var title = objTitle.value; 
	var url = objURL.value;
	var link = '<a class="link" href="'+url+'">'+title+'</a>';
	document.getElementById('linkStr').value = link;
}

function cancelAttribute (name){
	obj = document.getElementById(name);
	obj.innerHTML="<a href='javascript:addAttribute(\""+name+"\")'><img src='images/icons/add.gif' width='20' height='20' border='0' align='absmiddle'></a> <a href='javascript:addAttribute(\""+name+"\")' class='blueLink'><strong>Add Attribute</strong></a>";
}

function addProdAttribute (name){
	obj = document.getElementById(name);
	obj.innerHTML="<span class='blueLink'><strong>Enter Label</strong></span> <input type='text' name='" + name + "' class='formField' style='width: 150px'>&nbsp;<select name='" + name + "_type' class='formField' style='font-weight:normal;'><option value='CHAR'>Text</option><option value='CHAR'>Number</option><option value='DATE'>Date</option></select>&nbsp;<span class='formButtonSubmitBorder'><input type='button' style='width: 60px' name='s' value='ADD' onclick='this.form.btnAction.value=\"addProdAttrib\";this.form.submit()' class='formButtonSubmit'></span><span class='formButtonBorder' ><input type='button' style='width: 60px' name='s' value='CANCEL' class='formButton' onclick='cancelProdAttribute(\""+name+"\")'></span>";
}

function cancelProdAttribute (name){
	obj = document.getElementById(name);
	obj.innerHTML="<a href='javascript:addProdAttribute(\""+name+"\")'><img src='images/icons/add.gif' width='20' height='20' border='0' align='absmiddle'></a> <a href='javascript:addProdAttribute(\""+name+"\")' class='blueLink'><strong>Add Field</strong></a>";
}



function addDropDownValue(id, charValue){
	var customListValueName = "customListValue_"+id;
	var obj1 = document.getElementById(id); //pa_269010
	var obj2 = document.getElementById("cl_"+id); //cl_pa_269010
	var obj3 = document.getElementById("container_"+id); //container_pa_269010
	if(obj1.selectedIndex == obj1.length-1){
		obj3.style.display = "none"
		obj2.style.display = "inline"
		if(charValue != "null" && charValue != ""){
			obj2.innerHTML = "<div style=\"padding:0px;\"><input name=\""+customListValueName+"\" id=\""+customListValueName+"\" value=\""+charValue+"\" type=\"text\" /><br /><span class='formButtonSubmitBorder'><input type=\"button\" class='formButtonSubmit' style='width: 60px' value=\"UPDATE\" onclick=\"this.form.submit()\"/></span> <span class='formButtonBorder'><input type=\"button\" style='width: 60px' value='CANCEL' class='formButton' onclick=\"hideCustom('"+id+"','"+charValue+"')\"/></span></div>";
		}else{
			obj2.innerHTML = "<div style=\"padding:0px;\"><input name=\""+customListValueName+"\" id=\""+customListValueName+"\" value=\"\" type=\"text\" /><br /><span class='formButtonSubmitBorder'><input type=\"button\" value=\"ADD\" class='formButtonSubmit' style='width: 60px' onclick=\"this.form.submit()\"/></span> <span class='formButtonBorder'><input type=\"button\" style='width: 60px' value='CANCEL' class='formButton' onclick=\"hideCustom('"+id+"','')\"/></span></div>";
		}
	}
}

function hideCustom(id, charValue){
	//alert(charValue);
	var customListValueName = "customListValue_"+id;
	if(document.all){
		document.getElementById(customListValueName).value = charValue;
		EDITOR.submit();
	}else{
		var obj1 = document.getElementById(id); //pa_269010
		var obj2 = document.getElementById("cl_"+id); //cl_pa_269010
		var obj3 = document.getElementById("container_"+id); //cl_pa_269010
		
		obj3.style.display = "block";
		obj2.style.display = "none";
		obj1.selectedIndex = 0;
	}
}

function  updateMainPicture (){
	var checkObj = document.getElementById("mainPictureCheckbox");	
	var captionRowObj = document.getElementById("captionRow");
	if (checkObj.checked){
		captionRowObj.style.visibility='hidden';
	} else {
		captionRowObj.style.visibility='visible';
	}
}	
function updateRatePeriod (){
	var selectObj = document.getElementById("selectRatePeriod");
	var otherObj = document.getElementById("otherRatePeriodDiv");
	if (selectObj.selectedIndex==2){
		otherObj.style.display='block';
	} else {
		otherObj.style.display='none';
	}
}
function isNumberKey(evt){
         var charCode = (evt.which) ? evt.which : event.keyCode
         if (charCode > 31 && (charCode < 48 || charCode > 57)){
         	alert("Only Numeric Values");
            return false;
         }
         return true;
}

function validateZIP(fieldObj) {
	var field = fieldObj.value;
	var valid = "0123456789";
	for (var i=0; i < field.length; i++) {
		if (valid.indexOf(field.charAt(i)) == "-1") {
			alert("Zip code must be five digit numeric value.");
			fieldObj.value = "";
			fieldObj.focus();
			return false;
		}
	}
	return true;
}