function MM_swapImgRestore() { //v3.0
	var i,x,a=document.MM_sr;
	for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++)
	x.src=x.oSrc;
}

function MM_preloadImages() { //v3.0
	var d=document;
	if(d.images){
		if(!d.MM_p) d.MM_p=new Array();
		var i,j=d.MM_p.length,a=MM_preloadImages.arguments;
		for(i=0; i<a.length; i++)
		if (a[i].indexOf("#")!=0){
			d.MM_p[j]=new Image;
			d.MM_p[j++].src=a[i];
		}
	}
}

function MM_findObj(n, d) { //v4.01
	var p,i,x;
	if(!d) d=document;
	if((p=n.indexOf("?"))>0&&parent.frames.length) {
		d=parent.frames[n.substring(p+1)].document;
		n=n.substring(0,p);
	}
	if(!(x=d[n])&&d.all)
	x=d.all[n];
	for (i=0;!x&&i<d.forms.length;i++)
	x=d.forms[i][n];
	for(i=0;!x&&d.layers&&i<d.layers.length;i++)
	x=MM_findObj(n,d.layers[i].document);
	if(!x && d.getElementById)
	x=d.getElementById(n);
	return x;
}

function MM_swapImage() { //v3.0
	var i,j=0,x,a=MM_swapImage.arguments;
	document.MM_sr=new Array;
	for(i=0;i<(a.length-2);i+=3)
	if ((x=MM_findObj(a[i]))!=null){
		document.MM_sr[j++]=x;
		if(!x.oSrc)
		x.oSrc=x.src;
		x.src=a[i+2];
	}
}

function disp(url){ 

window.open(url, "window_name", "width=486,height=650 scrollbars=yes,resizable=no,status=yes"); 

} 

var i;
var vals = ["n1","n2","n3","n4","n5","n6","n7","n8","n9","n10","n11","n12","n13","n14","n15","n16","n17","n18","n19","n20"];
for (i =0; i <21; i++) {
	var k = vals[i];
	function changeTdBg(k) {
	  document.getElementById(k).style.backgroundImage = 'url(/images/menu_2.gif)';
	}
	function undoTdBg(k){
	  document.getElementById(k).style.backgroundImage = 'url(/images/menu_1.gif)';
	}
}