// JavaScript Document
function getParam(paramName) 
{
	var sURL = window.document.URL.toString();
	var strReturn = null;
	if (sURL.indexOf("?") > 0)
	{
		var arrParams = sURL.split("?");
			
		var arrURLParams = arrParams[1].split("&");
		
		var arrParamNames = new Array(arrURLParams.length);
		var arrParamValues = new Array(arrURLParams.length);
		
		var i = 0;
		for (i=0;i<arrURLParams.length;i++)
		{
			var sParam =  arrURLParams[i].split("=");
			arrParamNames[i] = sParam[0];
			if (sParam[1] != "")
				arrParamValues[i] = unescape(sParam[1]);
			else
				arrParamValues[i] = "No Value";
		}
		
		for (i=0;i<arrURLParams.length;i++)
		{
			if(arrParamNames[i] == paramName){
				strReturn = arrParamValues[i];
				break;
			}
		}
	}
	return strReturn;
}