requestObject='';
function psRequest(href,params,fresult)
{
	var reqMain = new JsHttpRequest();
	reqMain.caching = false;
	reqMain.open('GET',href,true);
	var sdata = Array();
	sdata=params;
	sdata['ajax'] = '1';
	reqMain.send(sdata);
	reqMain.onreadystatechange = function(){
		if (reqMain.readyState == 4){
			if (reqMain.responseJS){
				requestObject=reqMain.responseJS;
					eval(fresult);
			}
		}
	}
	return false;	
}

function psChangeSearch(obj)
{
	var id=obj[obj.selectedIndex].value;
	
	var href=document.getElementById("mform").action;
	var par = new Array();
	par['cmd']='load_vid';
	par['xid']=id;
	
	psSearchLoading();
	return psRequest(href,par,'psSearchLoading(1)');
}

function psSearchLoading(flag)
{
	if(!flag) 
	{
		$("#search_vid").attr("disabled","disabled");	
		$("#search_svid").attr("disabled","disabled");	
	}
	else
	{
		$("#search_vid").attr("disabled","");	
		$("#search_svid").attr("disabled","");	
		$("#search_svid").empty();
		$.each(requestObject.content,function(i){$("<option value="+requestObject.content[i]['value']+">"+requestObject.content[i]['name']+"</option>").appendTo("#search_svid");});
	}
}