function showhide(id){
	if (document.getElementById){
		obj = document.getElementById(id);
	if (obj.style.display == "none"){
		obj.style.display = "";
	} else {
		obj.style.display = "none";
		}
	}
}

function pw() {
	return window.innerWidth || document.documentElement.clientWidth || document.body.clientWidth
}; 

function mouseX(evt) {
	return evt.clientX ? evt.clientX + (document.documentElement.scrollLeft || document.body.scrollLeft) : evt.pageX;
} 

function mouseY(evt) {
	return evt.clientY ? evt.clientY + (document.documentElement.scrollTop || document.body.scrollTop) : evt.pageY
} 

function popUp(evt,oi) {
	if (document.getElementById) {
	  var wp = pw(); 
	  dm = document.getElementById(oi); 
	  ds = dm.style; st = ds.visibility; 
	  if (dm.offsetWidth) ew = dm.offsetWidth; 
	  else if (dm.clip.width) ew = dm.clip.width; 
	  if (st == "visible" || st == "show") { ds.visibility = "hidden"; } 
	  else {tv = mouseY(evt) + 20; 
	  lv = mouseX(evt) - (ew/4); 
	  if (lv < 2) lv = 2; else if (lv + ew > wp) lv -= ew/2; 
		lv += 'px';
		tv += 'px';  
	  ds.left = lv; 
	  ds.top = tv; 
	  ds.visibility = "visible";
		}
	}
}