function s1()
{
if (window.navigator.appName == "Netscape")
	{
		if (window.screen.width==800)
		{
			document.getElementById("Layer1").style.left =0;
			document.getElementById("Layer2").style.left=76;
			document.getElementById("Layer3").style.left =285;
			document.getElementById("Layer4").style.left=517;
			
		}
		if (window.screen.width==1280)
		{
			document.getElementById("Layer1").style.left =140;
			document.getElementById("Layer2").style.left=216;
			document.getElementById("Layer3").style.left =425;
			document.getElementById("Layer4").style.left=657;
			
		}
		if (window.screen.width==1152)
		{
			document.getElementById("Layer1").style.left =74;
			document.getElementById("Layer2").style.left=150;
			document.getElementById("Layer3").style.left =359;
			document.getElementById("Layer4").style.left=591;
			
		}
	}
if (window.navigator.appName == "Microsoft Internet Explorer")
	{
		if (window.screen.width==800)
		{
			document.all['Layer1'].style.posLeft=0;
			document.all['Layer2'].style.posLeft=76;
			document.all['Layer3'].style.posLeft =285;
			document.all['Layer4'].style.posLeft=517;
			
		}
		if (window.screen.width==1280)
		{
			document.all['Layer1'].style.posLeft=140;
			document.all['Layer2'].style.posLeft=216;
			document.all['Layer3'].style.posLeft =425;
			document.all['Layer4'].style.posLeft=657;
			
		}
		if (window.screen.width==1152)
		{
			document.all['Layer1'].style.posLeft=74;
			document.all['Layer2'].style.posLeft=150;
			document.all['Layer3'].style.posLeft =359;
			document.all['Layer4'].style.posLeft=591;
			
		}
	}
}