function showDiv (el, div, alignX, alignY) {
	if (document.getElementById){
    	var i = document.getElementById(el);
		var c = document.getElementById(div);
        if (c.style.display != "block"){
			var l=0; var t=0;
            aTag = i;
            do {
                aTag = aTag.offsetParent;
                l += aTag.offsetLeft;
                t += aTag.offsetTop;
            } while (aTag.offsetParent && aTag.tagName != 'BODY');
	        var left =  i.offsetLeft + l;
    	    var top = i.offsetTop + t + i.offsetHeight + 2;
			if (alignX == 'left' && c.style.width){
				left = left - parseInt(c.style.width);
			}
			if (alignY == 'top' && c.style.height){
				top = top - parseInt(c.style.height) -25;
			}
        	c.style.left = left+'px';
	        c.style.top = top+'px';
			c.style.display = "block";
		} else {
			c.style.display="none";
		}
	}
}

function hideDiv (div) {
	if (document.getElementById){
		var c=document.getElementById(div);
		c.style.display="none";
	}
}