function closelayer(layer)
	{
		var ofrm = eval("document.all."+layer);
		var cfrm = eval("document.all.popup_"+layer);
		
		ofrm.style.display = "none";
		
		if(cfrm.checked == true) {
			setCookie(layer, "done", 1);}
	}
	function setCookie( name, value, expiredays ){
	    var todayDate = new Date();
	    todayDate.setDate( todayDate.getDate() + expiredays );
	    document.cookie = name + "=" + escape( value ) + "; path=/; expires=" + todayDate.toGMTString() + ";"
	}

	function getCookie( name ){
	   var nameOfCookie = name + "=";
	   var x = 0;
	   while ( x <= document.cookie.length ){
	        var y = (x+nameOfCookie.length);
	        if ( document.cookie.substring( x, y ) == nameOfCookie ) {
	             if ( (endOfCookie=document.cookie.indexOf( ";", y )) == -1 )
	                  endOfCookie = document.cookie.length;
	             return unescape( document.cookie.substring( y, endOfCookie ) );
	        }
	        x = document.cookie.indexOf( " ", x ) + 1;
	        if ( x == 0 )
	            break;
	    }
	return "";
	}