// JavaScript Document
function Change_Combo(url)
{
	var strUrl = url;
	if(strUrl.length>0)
		window.open(url);	
}
function check_form(id,strMesg)
{
	if(document.getElementById(id).value == "")
	{
		alert("Invalid "+strMesg);
		document.getElementById(id).focus();
		return false;
	}
	else return true;
}
function clear_form(id)
{
	document.getElementById(id).value="";
}