//---- Setup AJAX -----------------------//
function GetXmlHttpObject() {
	var xmlHttp=null;
	try {
		// Firefox, Opera 8.0+, Safari
		xmlHttp=new XMLHttpRequest();
	}
	catch (e) {
		// Internet Explorer
		try {
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}
		catch (e) {
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return xmlHttp;
}



//----- Validate Email Addresses -----------//
// checks for valid looking email addy
function checkemail(str){
	var filter=/^.+@.+\..{2,3}$/;	
	return (filter.test(str));
}



//----- Trim White Space -----------//
//trim whitespace for validation
function trim(s){
	if((s==null)||(typeof(s)!='string')||!s.length)return'';return s.replace(/^\s+/,'').replace(/\s+$/,'')
}



//----- Open New Window -----------//
//Open a new window with specific width/height/location 
function openWindow(location, width, height) {		
	newWidth = width + 20;
	newHeight = height + 20;
	widthHeight = "width=" + newWidth + ",height=" + newHeight;
	window.open(location,"",widthHeight);		
}