function run_ol(file,cap)
{
var oRequest=new XMLHttpRequest(); 
oRequest.open("GET",file,false);
oRequest.send(null);
overlib(oRequest.responseText,CAPTION,cap); return true;
}

function get_tip(file)
{
var oRequest=new XMLHttpRequest();
oRequest.open("GET",file,false);
oRequest.send(null);
return oRequest.responseText;
}