function show_image(id,xx,yy)
	{if (document.all) 
	    {document.all[id].style.visibility="visible";
	     document.all[id].style.top= yy + 'px';
	     document.all[id].style.left= xx + 'px';
	    }
	 else if (document[id])
	    {document[id].visibility="visible";
	     document[id].top= yy;
	     document[id].left= xx;
	    }
	 else
	    {
	     document.getElementById(id).style.visibility="visible";
	     document.getElementById(id).style.top= yy + 'px';
	     document.getElementById(id).style.left= xx + 'px';
	    }
	}

function hide_image(id)
	{if (document.all) 
	    document.all[id].style.visibility="hidden";
	 else if (document[id])
	    document[id].visibility="hidden";
	 else
	    document.getElementById(id).style.visibility="hidden";
	}

/*switch images*/					    
function switch_images(name,number,id) {     
				      if(document.all || !document [id])
					  {if(document [name].src) document [name].src = g_images[number].src;}
					  else 
					  {
					   if(id)
						  {if (document [id])
						  		if(document [id].document [name].src) document [id].document [name].src = g_images[number].src;
						   }
					   else
						  {if(document [name].src) document [name].src = g_images[number].src; }
					   }
					 }


function show_window(urltext,w,h) {
	if (!w) w=500;
	if (!h) h=500;
	var win=window.open(urltext,"","width="+w+",height="+h+",status=yes,resizable=yes,scrollbars=yes");
	win.focus();
    }