function active_item(s){
var f = s.src;
f = f.substr(0,f.length-5)+'2.jpg';
s.src = f;
}

function passive_item(s){
var f = s.src;
f = f.substr(0,f.length-5)+'1.jpg';
s.src = f;
}

function MenuOnTop()
{ 
  if (document.body.scrollTop>355){d=document.body.scrollTop+5;}else{d=355}
  document.all.my_ban.style.posTop=d;	
}


/*function heartBeat() {
	self.onError=null;
	
	currentY = 0;  
	whichIt = null;           
	lastScrollY = 0;

	NS = (document.layers) ? 1 : 0;
	IE = (document.all) ? 1: 0;

	    if(IE) { diffY = document.body.scrollTop;}
	    if(NS) { diffY = self.pageYOffset;}

	    if(diffY > lastScrollY) {

	                percent = .1 * (diffY - lastScrollY - 355);
	                if(percent > 0) percent = Math.ceil(percent);
	                else percent = Math.floor(percent);
			if (document.all.my_ban.style.pixelTop < 355) document.all.my_ban.style.pixelTop = 355
			

			if(IE) document.all.my_ban.style.pixelTop += percent;
			if(NS) document.my_ban.top += percent; 

	                lastScrollY = lastScrollY + percent;
	    }


	}*/

var topOffset = 350;
var NS = (document.layers) ? 1 : 0;
var IE = (document.all) ? 1: 0;


function keepAlive() {
        document.all.my_ban.style.pixelTop = document.body.scrollTop + topOffset;
}

function smoothMove() {

	if(IE) { diffY = document.body.scrollTop;}
	if(NS) { diffY = self.pageYOffset;}

        if (document.body.scrollTop>topOffset){
		Dif =1+ parseInt((diffY-document.all.my_ban.offsetTop+0)*.1)
	        if (isNaN(Dif)) Dif=0;
	        
		if(IE) document.all.my_ban.style.pixelTop += Dif;
		if(NS) document.my_ban.pixelTop+= Dif;
	}else{	
		if(IE) document.all.my_ban.style.pixelTop = topOffset;
		if(NS) document.my_ban.pixelTop = topOffset;
	}
}

function doLoad() {
        window.setInterval("smoothMove()",10);
}
window.onload = doLoad;