function setLocation() {
		var h=document.body.clientHeight;
		var lh=alt.clientHeight;
		var w=document.body.clientWidth;
		var lw=alt.clientWidth;

		X = event.clientX+10;
		Y = event.clientY;
				
		var checkY1=Y-lh;
		var checkY=Y+lh;
		if ((checkY1<0) && (checkY>h)) {
		Y-=lh/2;
		} else {
			if (checkY>h) {
			Y-=lh;
			}
		}
		var checkX=X+lw;
		if (checkX>w) {
			X-=lw;
		}
		alt.style.left=document.body.scrollLeft + X;
		alt.style.top=document.body.scrollTop + Y;
	}
	function showForm(text) {
		alt.innerHTML=text;
		alt.style.visibility = 'visible';
	}
	function hideForm() {
		alt.style.visibility = 'hidden';
	}