//替换指定传入参数的值
function replaceParamVal(paramName,replaceWith) {
var oUrl = this.location.href.toString();
var re=eval('/('+ paramName+'=)([^&]*)/gi');
var nUrl = oUrl.replace(re,paramName+'='+replaceWith);
this.location = nUrl;
function replaceParamVal(paramName,replaceWith) {
var oUrl = this.location.href.toString();
var re=eval('/('+ paramName+'=)([^&]*)/gi');
var nUrl = oUrl.replace(re,paramName+'='+replaceWith);
this.location = nUrl;
}
$('#server').change(function(e) {if (location.href.indexOf('?') == -1) {location.href = location.href+'?s='+e.target.value;} else if (location.href.indexOf('&s=') == -1) {location.href = location.href+'&s='+e.target.value;} else {location.href = location.href.replace(/s=[0-9]*/, 's='+e.target.value);}});