xdif=-26;
ydif=5;
NS=(document.layers) ? 1 : 0;
IE=(document.all) ? 1 : 0;

function getRelTop(which) {
	if (NS) {
		return document.layers[which].pageY;
	} else {
		var el = document.all(which);
		var t = el.offsetTop;
		while (el.offsetParent != null) {
			el = el.offsetParent;
			t += el.offsetTop;
			if (el.tagName == 'BODY') break;
		} return t;
	}
}

function getRelLeft(which) {
	if (NS) {
		return document.layers[which].pageX;
	} else {
		var el = document.all(which); var t = el.offsetLeft;
		while (el.offsetParent != null) {
			t += el.offsetParent.offsetLeft;
			if (el.offsetParent.tagName == 'BODY') break;
			el = el.offsetParent;
		} return t;
	}
}



function showLayers(menuLayer)
{  
var lyr = (NS)? document.layers['navigate'] : document.all['navigate'].style;

     lyr.top = getRelTop(menuLayer)+ydif;
     lyr.left = getRelLeft(menuLayer)+xdif;
	 lyr.visibility = (NS)? "show" : "visible";
 	 
	    
}
function hideLayers()
{  
var lyr = (NS)? document.layers['navigate'] : document.all['navigate'].style;
lyr.visibility = (NS)? "hide" : "hidden";
  
}