function getParams() {
	var idx = document.URL.indexOf('?');
	var params = new Array();
	if (idx != -1) {
	var pairs = document.URL.substring(idx+1, document.URL.length).split('&');
	for (var i=0; i<pairs.length; i++) {
	nameVal = pairs[i].split('=');
	params[nameVal[0]] = nameVal[1];
	   }
	}
	return params;
	}
	params = getParams();