function ChangeSizeV1(num)
{ 
	var obj;
    eval('obj=document.form'+num+';');
    if(obj.colorid.value=="0")
	{	alert("Please select Color!");
		return;
	}
	var request = new Request();
	// Call the AJAX	
	var url = window.location.host;
	var questpath= "http://" + url + "/GetSize.asp?productid="+obj.id.value+"&colorid="+obj.colorid.value;
	//alert(url);
	request.GetNoCache(questpath, 		
	function(result)
	{	if (result.readyState!=ReadyState.Complete)
			return;				
			if (result.status==HttpStatus.OK && result.responseText != "")
			{	 //alert(result.responseText);
				var sel_old;
				eval('sel_old = document.getElementById("sizeid'+num+'");');
				var j=sel_old.length;
				for(k=j;k>=0;k--)
					sel_old.remove(k);
				var vals = result.responseText.split("~");
				for (i=0; i<vals.length; i++)
				{
					var pair = vals[i].split("|");
					var op = new Option(pair[1], pair[0], false, false);
					var sel;
					eval('sel = document.getElementById("sizeid'+num+'");');
					sel.options[sel.length] = op;			}	}
			else
			{	//alert('Get Size Error.');	
			    var sel_old;
			    eval('sel_old = document.getElementById("sizeid'+num+'");');
				var j=sel_old.length;
				for(k=j;k>=0;k--)
					sel_old.remove(k);
				var op = new Option("Select Size","", false, false);
				sel_old.options[0] = op;
			}	}
		)
	}