function Is() { //browser leválogatás
  agent = navigator.userAgent.toLowerCase();
  
  this.agent = navigator.userAgent.toLowerCase();
  this.major = parseInt(navigator.appVersion);
  this.minor = parseFloat(navigator.appVersion);
  this.ns = ((agent.indexOf('mozilla') != -1) && ((agent.indexOf('spoofer') == -1) && (agent.indexOf('compatible') == -1)));
  this.ns4 = (this.ns && (this.major <= 4) && (this.minor < 5));
  this.ns6 = (this.ns && (this.major >= 5));
  this.ie = (agent.indexOf("msie") != -1);
  this.ie4 = (this.ie && (this.major == 4) && (agent.indexOf("msie 5.0") == -1));
  this.ie5 = (this.ie && (this.major == 4) && (agent.indexOf("msie 5") != -1));
  this.ie6 = (this.ie && (this.major == 4) && (agent.indexOf("msie 6") != -1));
 /* this.iframe = (this.ie || this.ns6) ;*/
}
var is = new Is();

/*
var bNetscape4plus = (navigator.appName == "Netscape" && navigator.appVersion.substring(0,1) >= "4");
var bExplorer4plus = (navigator.appName == "Microsoft Internet Explorer" && navigator.appVersion.substring(0,1) >= "4");
*/

function CheckUIElements()
{
	var yMenuFrom, yMenuTo, yOffset, timeoutNextCheck;
	
	if ( is.ns4 ) {
		yMenuFrom   = document["rightBanner"].top;
		yMenuTo     = top.pageYOffset + top.innerHeight - 95;
	}
	else if ( is.ns6 ) {
//		alert(pageYOffset);
		var dm = document.getElementById("rightBanner");
		yMenuFrom   = dm.style.top;
		yMenuTo     = pageYOffset + innerHeight - 295;
	}
	else if ( is.ie ) {
		yMenuFrom   = parseInt (document.getElementById("rightBanner").style.top, 10);
		yMenuTo     = document.body.scrollTop + document.body.clientHeight - 475;
	}
	timeoutNextCheck = 500;
/*
	if ( Math.abs (yButtonFrom - (yMenuTo + 152)) < 6 && yButtonTo < yButtonFrom ) {
		setTimeout ("CheckUIElements()", timeoutNextCheck);
		return;
	}
*/	
	
/*	if ( yButtonFrom != yButtonTo ) {
		yOffset = Math.ceil( Math.abs( yButtonTo - yButtonFrom ) / 10 );
		if ( yButtonTo < yButtonFrom )
		yOffset = -yOffset;
	
		if ( is.ns4 )
			document["divLinkButton"].top += yOffset;
		else if ( is.ns6 ){
			var dlb = document.getElementById("divLinkButton");
			dlb.style.top = parseInt(dlb.style.top + yOffset);
			}
		else if ( is.ie )
			divLinkButton.style.top = parseInt (divLinkButton.style.top, 10) + yOffset;

		timeoutNextCheck = 10;
	}
*/
	if ( yMenuFrom != yMenuTo ) {
		yOffset = Math.ceil( Math.abs( yMenuTo - yMenuFrom ) / 10 );
		if ( yMenuTo < yMenuFrom )
			yOffset = -yOffset;
		
		if ( is.ns4 )
			document["rightBanner"].top += yOffset;
		else if ( is.ns6 ){
			var dm = document.getElementById("rightBanner");
			dm.style.top = dm.style.top + yOffset;			
		}else if ( is.ie )
			document.getElementById("rightBanner").style.top = parseInt (document.getElementById("rightBanner").style.top, 10) + yOffset;

		timeoutNextCheck = 110;
	}
	
	setTimeout ("CheckUIElements()", timeoutNextCheck);
}

function zapp()
{
var rb = document.getElementById("rightBanner");
	var y;
	
	// we're not gonna be loaded in frames
	/*if ( top.frames.length )
		top.location.href = self.location.href;*/
		
	// setting initial UI elements positions
	if ( is.ns4 ) {
		document["rightBanner"].top = top.pageYOffset + 50;
		document["rightBanner"].visibility = "visible";
	}
	else if ( is.ns6 ) {
		var dm = document.getElementById("rightBanner");
		dm.style.top = pageYOffset + 430;
		dm.style.visibility = "visible";
	}
	else if ( is.ie ) {
		document.getElementById("rightBanner").style.top = document.body.scrollTop + 50;
		document.getElementById("rightBanner").style.visibility = "visible";
	}
	// initializing UI update timer
	CheckUIElements();
	if ( is.ie )
		setTimeout ( "FlashTitleStepIt(255)", 10 );
	return true;
}


/* IE only function for flashing the page title onload */
function FlashTitleStepIt( fptItersLeft )
{
	var str;
	str = fptItersLeft.toString(16);
	str = eval ( "\"#" + str + str + str + "\"" );
	
//	divLinkButton.style.color = str;
	
	fptItersLeft--;
	if ( str !=  "#606060" )
		setTimeout ( eval ( "\"FlashTitleStepIt(" + fptItersLeft + ")\"" ), 10 );
}