var popupWindow = null;

function popup(url,width,height) { 

 if(popupWindow!=null)
  {
  if (typeof(popupWindow) == "object") 
   popupWindow.close();
  }
	var width=width;
	var height=height;
	var top  = (screen.height - height) / 2;
	var left = (screen.width  - width)  / 2;
        $popup='popup'+width+'x'+height; 
    popupWindow = window.open(url,$popup,'toolbar=no,menubar=no,scrollbars=no,resize=no,titlebar=no,resizable=no,width='+width+',height='+height+',top='+top+',left='+left+'');
	popupWindow.focus();
}

function openW(url,width,height) { 
	var width=width;
	var height=height;
	var top  = (screen.height - height) / 2;
	var left = (screen.width  - width)  / 2;
        $popup='window'+width+'x'+height; 
    popupWindow = window.open(url,$popup,'toolbar=no,menubar=no,scrollbars=yes,resize=yes,titlebar=no,resizable=yes,width='+width+',height='+height+',top='+top+',left='+left+'');
	popupWindow.focus();
}

function SeeList(k) { 
   Name_List="List"+k;
   Name_Menu="Menu"+k;
   Name_Im="Im"+k;
   List=document.getElementById(Name_List);	
   Menu=document.getElementById(Name_Menu);
		
   if ( List.style.display == "none" ) {
       List.style.display=""; 
   } 
   else {
       List.style.display="none"; 	
   }
}