var sURL = window.document.URL.toString();
var arrParams;
var arrURLParams;
var arrParamNames;
var arrParamValues;

function getURLParameters() {
	if (sURL.indexOf("?") > 0){
		arrParams = sURL.split("?");
		arrURLParams = arrParams[1].split("&");
		arrParamNames = new Array(arrURLParams.length);
		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] = null;
		}
		
		
	}
	else
	{
	}
}

function getParamValue(strParam){
	for (i=0;i<arrURLParams.length;i++){
		if (arrParamNames[i] == strParam) return arrParamValues[i];
	}
	return null;
}