function ht (ht) {
	id = 'DIVht';

	if (ht) {
		var x=event.x + 10; 
		var y=event.y + 10;
		

		if (document.layers) {
		
			document.layers[id].left = x;
			dument.layers[id].top = y;
			document.layers[id].innerHTML = ht;
			document.layers[id].visibility = 'show';
			document.layers[id].zIndex = 100;
		}
		else if (document.all) {
			
			document.all[id].style.left = x;
			document.all[id].style.top = y;
			document.all[id].innerHTML = ht;
			document.all[id].style.visibility = 'visible';
			document.all[id].style.zIndex = 100;
		}
		else {
			document.getElementById(id).style.left = x;
			document.getElementById(id).style.top = y;
			document.getElementById(id).innerHTML = ht;
			document.getElementById(id).style.visibility = 'visible';
			document.getElementById(id).style.zIndex = 100;
		}
	}
	else {
		if (document.layers) {
			document.layers[id].visibility = 'hide';
			document.layers[id].zIndex = 0;
		}
		else if (document.all) {
			document.all[id].style.visibility = 'hidden';
			document.all[id].style.zIndex = 0;
		}
		else {
			document.getElementById(id).style.visibility = 'hidden';
			document.getElementById(id).style.zIndex = 0;
		}
	}
}