function show_div(what) {
	 var i=0;	 
	 var col = [];	 
	 
	 while (document.getElementById('d'+ i)) {
	  col[i] = document.getElementById('d'+ i);
		i++;
	 }	 	 
	 
 obj = document.getElementById(what); 
 var i=0; 
 if (obj.className == 'off') {
	 while (col[i]) {
		col[i].className = 'off';		
		i++;
		} 
	obj.className = 'on';	
 }
}

function hide_div(what) { 
 obj = document.getElementById(what); 
 obj.className = 'off';	
}

function xGetElementById(e) {
	if(typeof(e)!='string') return e;
	if(document.getElementById) e=document.getElementById(e);
	else if(document.all) e=document.all[e];
	else e=null;
	return e;
} 


function moveit(event, h) {
  var el, x, y;
  el = document.getElementById(h);
  if (window.event) {
    x = window.event.clientX ;
    y = window.event.clientY ;
  }
  else {
    x = event.clientX;
    y = event.clientY;
  }
  el.style.left = x + "px";
  el.style.top  = y + "px";
}