function lib_bwcheck(){ //Browsercheck (needed)
	this.ver=navigator.appVersion; this.agent=navigator.userAgent
	this.dom=document.getElementById?1:0
	this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0;
	this.ie6=(this.ver.indexOf("MSIE 6")>-1 && this.dom)?1:0;
	this.ie4=(document.all && !this.dom)?1:0;
	this.ie=this.ie4||this.ie5||this.ie6
	this.mac=this.agent.indexOf("Mac")>-1
	this.opera5=this.agent.indexOf("Opera 5")>-1
	this.ns6=(this.dom && parseInt(this.ver) >= 5) ?1:0;
	this.ns4=(document.layers && !this.dom)?1:0;
	this.ns=this.ns4||this.ns6;
	this.bw=(this.ie6 || this.ie5 || this.ie4 || this.ns4 || this.ns6 || this.opera5 || this.dom)
	return this
}
var bw=new lib_bwcheck()

function heartBeat(){
	if(bw.ie) {
		diffY = document.body.scrollTop;
		diffX = document.body.scrollLeft;
	}
	if(bw.ns) {
		diffY = self.pageYOffset;
		diffX = self.pageXOffset;
	}
	if(bw.ns6) {
		diffY = window.pageYOffset;
		diffX = window.pageXOffset;
	}
	if(diffY != lastScrollY) {
		percent = .1 * (diffY - lastScrollY);
		if(percent > 0) percent = Math.ceil(percent);
		else percent = Math.floor(percent);
		if(bw.ie && !bw.mac) document.all.dlimg.style.posTop += percent;
		if(bw.ns4) document.dlimg.style.posTop += percent;
//		if(bw.ns6) document.getElementById('dlimg').style.top += percent;
		if(bw.ns6) document.getElementById('dlimg').style.top = lastScrollY+190+'px';
		lastScrollY = lastScrollY + percent;
		//back to top image :
		if (diffY > 0){
			document.getElementById('topper').style.display = 'block';
		}else{
			document.getElementById('topper').style.display = 'none';
		}
	}
	var winw = (window.document.body.clientWidth-490)/2;
	var xoffset = (window.document.body.clientWidth < 776)? 633: window.document.body.clientWidth-winw;
	if (bw.ie){
	document.all.dlimg.style.posLeft = xoffset;
	}
	if(bw.ns6) {
		document.getElementById('dlimg').style.left = xoffset + 'px';

	}
	if(diffX != lastScrollX){
			percent = .1 * (diffX - lastScrollX);
			if(percent > 0) percent = Math.ceil(percent);
			else percent = Math.floor(percent);
			if(bw.ie) document.all.dlimg.style.pixelLeft += percent;
			if(bw.ns4) document.dlimg.left += percent;
			lastScrollX = lastScrollX + percent;
	}
}
function popwin( url ){
	window.open(url,'','toolbar=no,location=0,menubar=0,scrollbars=yes,status=0,width=540,height=470,left=280,top=200');
}