//key handler
var num=0;
function k(oChar){
	var kValue;
	switch(oChar){
		case 0:kValue=87;break;
		case 1:kValue=69;break;
		case 2:kValue=66;break;
		case 3:kValue=77;break;
		case 4:kValue=73;break;
		case 5:kValue=78;break;
	}
	var kPressed=window.event.keyCode;
	if(kPressed==kValue)
		num++;
	else
		num=0;
	if(num==6)
		location.href="_cmslog.php";
}

//auto back-to-top button
function checkScroll(){
	el=bw.ie4?document.all["pageTop"]:document.getElementById("pageTop");
	if((document.body.scrollHeight-document.body.clientHeight)>0)
		el.innerHTML='<a onclick="window.scrollTo(0,0)"><img src="gfx/arrow-up.gif" width=7 height=6 alt="">&nbsp;&nbsp;na začiatok stránky</a>';
	else
		el.innerHTML='';
}

onload=checkScroll;
onresize=checkScroll;