function centerShadows(topPos,leftPos,sh_width,sh_height)
	{
	


	document.getElementById("shad1").style.top=topPos+"px";
	document.getElementById("shad1").style.left=(leftPos+sh_width)+"px";
	document.images.shad1.width=50;
	document.images.shad1.height=sh_height;
	
	
	document.getElementById("corn1").style.top=(topPos+sh_height)+"px";
	document.getElementById("corn1").style.left=(leftPos+sh_width)+"px";
	document.images.corn1.width=50;
	document.images.corn1.height=50;
	
	
	document.getElementById("shad2").style.top=(topPos+sh_height)+"px";
	document.getElementById("shad2").style.left=leftPos+"px";
	document.images.shad2.width=sh_width;
	document.images.shad2.height=50;
	
	
	document.getElementById("corn2").style.top=(topPos+sh_height)+"px";
	document.getElementById("corn2").style.left=(leftPos-50)+"px";
	document.images.corn2.width=50;
	document.images.corn2.height=50;
	
	
	document.getElementById("shad3").style.top=topPos+"px";
	document.getElementById("shad3").style.left=(leftPos-50)+"px";
	document.images.shad3.width=50;
	document.images.shad3.height=sh_height;
	
	
	document.getElementById("corn3").style.top=(topPos-20)+"px";
	document.getElementById("corn3").style.left=(leftPos-50)+"px";
	document.images.corn3.width=50;
	document.images.corn3.height=20;
	
	
	document.getElementById("shad4").style.top=(topPos-20)+"px";
	document.getElementById("shad4").style.left=leftPos+"px";
	document.images.shad4.width=sh_width;
	document.images.shad4.height=20;
	
	
	document.getElementById("corn4").style.top=(topPos-20)+"px";
	document.getElementById("corn4").style.left=(leftPos+sh_width)+"px";
	document.images.corn4.width=50;
	document.images.corn4.height=20;
	
	document.getElementById("Schatten").style.display="block";
	}