var brOK = false;
var mie = false;
var vmin = 2;
var vmax = 5;
var vr = 3;
var floatads = [];
if(navigator.appName.indexOf("Internet Explorer")!= -1){
	if(parseInt(navigator.appVersion.substring(0,1)) >= 4) 
		brOK = navigator.javaEnabled();
	mie = true;
}
else if(navigator.appName.indexOf("Netscape")!= -1)
	if(parseInt(navigator.appVersion.substring(0,1)) >= 4) 
		brOK = navigator.javaEnabled();

if(!mie){
	pageX = window.pageXOffset;
	pageW = window.innerWidth;
	pageY = window.pageYOffset;
	pageH = window.innerHeight;
} 
else{
	pageX = window.document.body.scrollLeft;
	pageW = window.document.body.offsetWidth-8;
	pageY = window.document.body.scrollTop;
	pageH = window.document.body.offsetHeight;
}
function floatad(named,url,divalue,wd,hg){
	document.write('<div id="'+named+'" style="position:absolute;z-index:1000" onmouseover=stopme("'+named+'"); onmouseout=movechip("'+named+'"); >');
	if(url)
		document.write('<a href="' + url + '" target="_blank">');		
	document.write(divalue);	
	if(url)
		document.write('</a>');	
	document.write('</div>');
	
	this.named = named;
	this.vx = vmin + vmax * Math.random();
	this.vy = vmin + vmax * Math.random();
	this.xx = (pageW - 300) * Math.random();
	this.yy = (pageH - 200) * Math.random();
	this.w = wd;
	this.h = hg;
	this.timer = null;
	floatads[this.named] = this;
	movechip(this.named);
}
function movechip(chipname){
	if(!mie){
		pageX = window.pageXOffset;
		pageW = window.innerWidth;
		pageY = window.pageYOffset;
		pageH = window.innerHeight;
	} 
	else{
		pageX = window.document.body.scrollLeft;
		pageW = window.document.body.offsetWidth-8;
		pageY = window.document.body.scrollTop;
		pageH = window.document.body.offsetHeight;
	}

	//pageX = pageX + 370*pageW/1024;
	//pageW = pageW - 370*pageW/1024;
	/*
	if(pageW>=1260){
		pageX = pageX + 500;
		pageW = pageW - 500;
	}
	else if(pageW>1000){
		pageX = pageX + 370;
		pageW = pageW - 370;
	}
	else {
		pageX = pageX + 260;
		pageW = pageW - 260;
	}
	*/
	if(brOK){
		chip = floatads[chipname];
		chip.xx = chip.xx+chip.vx;
		chip.yy = chip.yy+chip.vy;
		chip.vx += vr*(Math.random()-0.5);
		chip.vy += vr*(Math.random()-0.5);
		if(chip.vx > (vmax+vmin))  chip.vx = (vmax+vmin)*2-chip.vx;
		if(chip.vx < (-vmax-vmin)) chip.vx = (-vmax-vmin)*2-chip.vx;
		if(chip.vy > (vmax+vmin))  chip.vy = (vmax+vmin)*2-chip.vy;
		if(chip.vy < (-vmax-vmin)) chip.vy = (-vmax-vmin)*2-chip.vy;
		if(chip.xx <= pageX){
			chip.xx = pageX;
			chip.vx = vmin + vmax * Math.random();
		}
		if(chip.xx >= pageX+pageW-chip.w){
			chip.xx = pageX+pageW-chip.w;
			chip.vx = -vmin-vmax*Math.random();
		}
		if(chip.xx >= 680){
			chip.xx = chip.xx-20;
			chip.vx = -vmin-vmax*Math.random();
		}
		if(chip.yy <= pageY){
			chip.yy = pageY;
			chip.vy = vmin+vmax*Math.random();
		}
		if(chip.yy >= pageY+pageH-chip.h){
			chip.yy = pageY+pageH-chip.h;
			chip.vy = -vmin-vmax*Math.random();
		}
		if (document.getElementById){
			document.getElementById(chip.named).style.left = chip.xx;
			document.getElementById(chip.named).style.top  = chip.yy;
		}
		else if(document.layers){
			eval('document.'+chip.named+'.top= '+chip.yy);
			eval('document.'+chip.named+'.left= '+chip.xx);
		}
		else{
			eval('document.all.'+chip.named+'.style.pixelLeft = '+chip.xx);
			eval('document.all.'+chip.named+'.style.pixelTop  = '+chip.yy);
		}
		chip.timer = setTimeout("movechip('"+chip.named+"')",80);
	}
}
function stopme(chipname){
	if(brOK){
		chip = floatads[chipname];
		if(chip.timer!= null)
			clearTimeout(chip.timer)
	}
}
function hideme(chipname){
		if (document.getElementById){
			document.getElementById(chipname).style.visibility = "hidden";
		}
		else if(document.layers){
			eval('document.' + chipname + '.style.visibility = "hidden"');
		}
		else{
			eval('document.all.' + chipname + '.style.visibility = "hidden"');
		}
		stopme(chipname);
}