function getSearch(key) {
	var src = window.location.search;
	var sArr;
	if (src == '' || src.indexOf(key+'=') == -1) return null;
	if (src.indexOf('?') == 0) src = src.substr(1);
	if (src.indexOf('&') != -1) sArr = src.split('&');
	else sArr = new Array(src);
	for (var i=0;i<sArr.length;i++) {
		if (sArr[i].indexOf(key+'=') == 0) {
			return unescape(sArr[i].split(key+'=')[1]);
		}
	}
	return null;
}