// JavaScript Document

function findPos(obj) {
	var curleft = curtop = 0;
	if (obj.offsetParent) {
		do {
			curleft += obj.offsetLeft;
			curtop += obj.offsetTop;
		} while (obj = obj.offsetParent);
	}
	return [curleft,curtop];
}


function getURLVar(urlVarName) { 
	
	var urlHalves = String(document.location).split('?');
	var urlVarValue = '';
	if(urlHalves[1]){

		var urlVars = urlHalves[1].split('&');

		for(i=0; i<=(urlVars.length); i++){
			if(urlVars[i]){
				//load the name/value pair into an array
				var urlVarPair = urlVars[i].split('=');
				if (urlVarPair[0] && urlVarPair[0] == urlVarName) {

					urlVarValue = urlVarPair[1];
				}
			}
		}
	}

	return urlVarValue;   
}