html获得url参数

// 得到url搜索串
function getURLSearch(isParent)
{
var strSearch ="";
if(isParent){
strSearch= window.parent.location.search;
}
else{
strSearch= location.search;
}
var reg1 = /=/gi;
var reg2 = /&/gi;
strSearch = strSearch.substr(1, strSearch.length);
strSearch = strSearch.replace(reg1, '":"');
strSearch = strSearch.replace(reg2, '","');
if (strSearch == "")
return null;
else
strSearch = '{"' + strSearch + '"}';
eval("var ArrayUrl=" + strSearch);
return ArrayUrl;
}


function getUrlParam()
{
return getURLSearch() || {};
}