function getParams(){
	var url = document.location.href;
	var index = url.indexOf("?");
	if (index>0) {
		var get = url.substring(index+1,url.length);
		var Params = get.split('&');
		for (i=0; i<= Params.length-1; i++){
			var index = Params[i].indexOf("=");
			if (index>0){
				var Name = Params[i].substring(0,index);
				var Value = Params[i].substring(index+1,Params[i].length);
				eval('document.'+Name+'="'+Value+'"');
			} else {
				eval('document.'+Params[i]+'=\'null\'')
			}
		}
	}
}