var ie = nn = n6 = 0;
ie = (document.all)?true:false;
nn = (document.layers)?true:false;
n6 = (document.getElementById)?true:false;

function popup(id,ix,iy,nx,ny){
	var sx = sy = 0;
	var ax = -10,ay = 30;
	
	if (ie) {
		obj = document.all(id).style;
		obj.visibility = "visible";
		
		sx = document.body.scrollLeft;
		sy = document.body.scrollTop;
		
		obj.left = ix + sx + ax;
		obj.top = iy + sy + ay;
	} else {
		if (nn) {
			obj = document.layers[id];
			obj.visibility = "show";
		} else if (n6) {
			obj = document.getElementById(id).style;
			obj.visibility = "visible";
		}
		obj.left = nx+ ax;
		obj.top = ny + ay;
	}
}
function pclear(id){
	if (ie) document.all(id).style.visibility = "hidden";
	if (nn) document.layers[id].visibility = "hide";
	if (n6) document.getElementById(id).style.visibility = "hidden";
}