function positionfooter() {
  if(document.layers)	{
	  	div1 = document.layers["content_center"];
	  	div2 = document.layers["content_left"];
	  	div3 = document.layers["content_right"];
	  	div4 = document.layers["wrapper"];
	  	div5=document.layers["navtrail"];
	  	div6=document.layers["content_bottom"];
	}        // NC 4
   else if (document.all) {
   	div1 =  document.all["content_center"];
   	div2 =  document.all["content_left"];
   	div3 = document.all["content_right"];
   	div4 =  document.all["wrapper"];
   	div5 =  document.all["navtrail"];
   	div6 =  document.all["content_bottom"];
	 }          // IE 4
   else if (document.getElementById) {
	  div1 = document.getElementById("content_center");
	  div2 = document.getElementById("content_left");
   	div3 = document.getElementById("content_right");
	  div4 = document.getElementById("wrapper");
	  div5 = document.getElementById("navtrail");
	  div6 = document.getElementById("content_bottom");
	} // DOM
	div1.style.top=(172+div5.offsetHeight)+"px";
	mytop=Math.max(div1.offsetHeight, div2.offsetHeight, div3.offsetHeight)+40;
	div4.style.height=mytop+172+"px";
	div6.style.display="";
}

divpopup = null;

document.onmousemove = updateDivpopup;

function updateDivpopup(e) {
	var width_screen=screen.availWidth;
	var height_screen=screen.height;
	x = (document.all) ? window.event.x + document.body.scrollLeft : e.pageX;
	y = (document.all) ? window.event.y + document.body.scrollTop  : e.pageY;
 	if (divpopup != null) {
		var width_popup=divpopup.offsetWidth;
		var height_popup=divpopup.offsetHeight;
          // firefox
          if (navigator.userAgent.indexOf("Firefox") != -1) {
             posx=x - 300;
		   posy=y - 350;
		   if (x+width_popup>width_screen) {
                posx=posx-width_popup-35;
             }
           }
           else {
             posx=x - 205;
		   posy=y - 350;
		   if (x+width_popup>width_screen) {
                posx=posx-width_popup-35;
             }
             }
		divpopup.style.left = posx + "px";
		divpopup.style.top 	=posy  + "px";
	}
}

function Thumb_Popup(image, divid)
{
	divpopup=document.getElementById("divpopup"+divid);
	imagepopup=document.getElementById("imagepopup"+divid);
	divpopup.style.display="";
	imagepopup.src=image;

}

function displaynone(mydiv) {
   x=document.getElementById(mydiv);
	x.style.display="none";
}