//validate email id
function getProdSize(selectedVal){
	xmlHttp = GetXmlHttpObject();
	
	if(xmlHttp == null) { 
		alert("Browser does not support HTTP Request");
		return;
	}
	if(selectedVal == null){
		var selectedItem = document.prodDetail.color.selectedIndex;
		var selectedVal = document.prodDetail.color.options[selectedItem].text;
	}		
	var url = "/index.php?page=getProdSize"
	url = url+"&color="+selectedVal
	xmlHttp.onreadystatechange = stateChanged
	xmlHttp.open("get",url,true)
	xmlHttp.send(null)	
}

// Checking browser compatabile
function GetXmlHttpObject()
{ 
	var objXMLHttp=null
	if (window.XMLHttpRequest)
	{
		objXMLHttp = new XMLHttpRequest()
	}
	else if (window.ActiveXObject)
	{
		objXMLHttp = new ActiveXObject("Microsoft.XMLHTTP")
	}
	return objXMLHttp
}

// State Changed 
function stateChanged() 
{ 
	if (xmlHttp.readyState == 4 || xmlHttp.readyState == "complete")
	{ 
		var data = xmlHttp.responseText
		var dataArr = data.split("~~");
		document.prodDetail.size.length = 0;
		document.prodDetail.size.length = null;
		for(ctr=0; ctr<dataArr.length-1; ctr+=2){
			var optn = document.createElement("option");
			optn.value = dataArr[ctr]
			optn.text = dataArr[ctr+1]
			var tempStr = trim(dataArr[ctr+1]);	
			document.prodDetail.size.options.add(optn)
			if( tempStr.length ){	
				document.getElementById("sizeDiv").style.display="block";	
			}	
			else{	
				document.getElementById("sizeDiv").style.display="none";	
			}
		}				
	}
	else{
		//document.getElementById("ticker").innerHTML = "Loading.....";
	} 
}