function ajax_window(PTitle, PURL, PWidth, PHeight) {
    var randomnumber = Math.floor(Math.random() * 100000);
    if (PURL.indexOf("?")>0)
      	PURL = PURL + "&RAD=" + randomnumber ;
    else
        PURL = PURL + "?RAD=" + randomnumber;
    var DialogNew = $("<div style='' title='" + PTitle + "'></div>");
    $("<iframe frameborder=0 scrolling='no' src='" + PURL + "' width=" + (PWidth) + " height=" + (PHeight) + "></iframe>").appendTo(DialogNew);
    //debugger;
    PWidth = parseInt(PWidth) + 27;
    PHeight = parseInt(PHeight) + 45;
    DialogNew.dialog({width:PWidth, height:PHeight,resizable:false,modal: true });
    return DialogNew;
}