var current = null;

function toggle_off()
{
   for(x = 1; x <= 5; x++)
   {
      document.getElementById('hidnav' + x).style.display = 'none';
   }
}

function toggle_off2(id)
{
    if(current != null){document.getElementById('hidnav' + id).style.display = 'none';}
}

function toggle_info(id)
{

 if (id == current){
 
 current = null;
 
 if (document.getElementById('hidnav' + id).style.display == 'block'){
 document.getElementById('hidnav' + id).style.display = 'none';
 }
 
 
 }
 
 else{
   current = id;

   if(document.getElementById('hidnav' + id).style.display == 'none')
      document.getElementById('hidnav' + id).style.display = 'block';

   else if(document.getElementById('hidnav' + id).style.display == 'block')
      document.getElementById('hidnav' + id).style.display = 'none';
	  }

}


	function popwin(url)	
			{
			    if (url != ""){
			       window.open(url,'popwin','menubar=no,status=no,scrollbars=no,width=400,height=330,top=10,left=10');
			    } 
			}