//windowu ortaliyorum  
dom = (document.getElementById) ? true : false;
ns5 = ((navigator.userAgent.indexOf("Gecko")>-1) && dom) ? true: false;
ie5 = ((navigator.userAgent.indexOf("MSIE")>-1) && dom) ? true : false;
ns4 = (document.layers && !dom) ? true : false;
ie4 = (document.all && !dom) ? true : false;
nodyn = (!ns5 && !ns4 && !ie4 && !ie5) ? true : false;

//

//detect browser

isNS4 = (document.layers) ? true : false;
isIE4 = (document.all && !document.getElementById) ? true : false;
isIE5 = (document.all && document.getElementById) ? true : false;
isNS6 = (!document.all && document.getElementById) ? true : false;

//

//window acmak icin kullaniyorum tam ortaya
function openWin(name,wid,hei,sbar,title){

	xx=screen.availWidth/2-wid/2;
	yy=screen.availHeight/2-hei/2;
	str="left=" + Math.round(xx) + ",top=" + Math.round(yy);
	window.open(name,title,'width='+wid+',height='+hei+',toolbar=no,scrollbars='+sbar+',resizable='+sbar+','+str);

}

function show(object) {
    if (document.layers && document.layers[object])
        document.layers[object].visibility = 'visible';
    else if (document.all) {
        document.all[object].style.visibility = 'visible';
        document.all[object].style.zIndex = 100;
    }
}
function hide(object) {
    if (document.layers && document.layers[object])
        document.layers[object].visibility = 'hidden';
    else if (document.all)
        document.all[object].style.visibility = 'hidden';
}