function open_win(url,name,width,height,scroll){
		var Left_size = (screen.width) ? (screen.width-width)/2 : 0;
		var Top_size = (screen.height) ? (screen.height-height)/2 : 0;
		window.open(url,'','width=' + width + ',height=' + height + ',left=' + Left_size + ',top=' + Top_size + ',toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=' + scroll + ',resizable=yes');
}

function search(){
            var st=document.getElementById("searchType");
            var q=document.getElementById("keyword");
            if(q.value==""){
                alert("Sorry,please specify your search keyword.");
                q.focus();
                return;
            }
            window.location="/search.aspx?q="+q.value+"&t="+st.value;
}

function ParseUserName(){
    var domainhost=location.host;
    var index =domainhost.toLowerCase().indexOf('chinastone.com.cn');
    if(index<=0){
        window.location="http://"+domainhost;
        return ;
     }
    var username=domainhost.substring(0,index-1);
    if(username=="www"){
        window.location="http://www.chinastone.com.cn";
        return ;
    }
    return username;
}
function ParseProductID(){
     var domainhost=window.location.pathname;
     domainhost=domainhost.toLowerCase();
     var idIndex =domainhost.lastIndexOf('/');
     var htmlIndex=domainhost.lastIndexOf(".html");
     if(idIndex==-1||htmlIndex==-1){
        window.location="http://"+location.host;
        return;
     }
     var id=domainhost.substring(idIndex+1,htmlIndex);
     if(isNaN(id)){
        window.location="http://"+location.host;
        return;
     }
     return id;
        
}