window.onload=function() {setTarget();}

function setTarget() {
	var anchor=document.getElementsByTagName('a');
	for (var i=0;i<anchor.length;i++) {
		for (var j=1;j<=15;j++) {
			var tname="t"+j;
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				anchor[i].onmouseout = ( function(n) { return function() { clearPic(n); }  } ) (j);
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	}
}
		
function clearPic(n) {
	if (document.getElementById) {				
		var picBox = document.getElementById("pic"+n);
		var descBox = document.getElementById("desc"+n);
		picBox.style.visibility="hidden";
		descBox.style.visibility="hidden";
	}
}
			
function showPic(n) {
	if (document.getElementById) {
		for (i=1;i<=15;i++) {
			var pic = document.getElementById("pic"+i);
			var desc = document.getElementById("desc"+i);
			pic.style.visibility="hidden";
			desc.style.visibility="hidden";
		}
		var picBox = document.getElementById("pic"+n);
		var descBox = document.getElementById("desc"+n);
		picBox.style.visibility="visible";
		descBox.style.visibility="visible";
	}
}