// JavaScript Document

var browser=navigator.appName;

var b_version=navigator.appVersion;
var version=parseFloat(b_version);

if ((browser == "Microsoft Internet Explorer") & (version == "4")) browser = "IE";

function confirmDelete()
{
var agree=confirm("Are you sure you wish to delete this entry?");
if (agree)
	return true ;
else
	return false ;
}
function mouseOver(menuid)
{
document.getElementById(menuid).style.backgroundImage = "url('../images/"+menuid+"_menu_over.gif')"
}
function mouseOut(menuid)
{
document.getElementById(menuid).style.backgroundImage = "url('../images/"+menuid+"_menu.gif')"
}
function hideHelp(id) 
{
      help_id = "help_box"+id;
      frame_id = "help_frame"+id;

      //document.getElementById(id).style.visibility = "hidden";
      //document.all[id].style.visibility = "hidden";
      //document.getElementById(id).visibility = "hide";
            
      if (document.layers) document.layers[help_id].visibility = "hide"
      if (document.getElementById) document.getElementById(help_id).style.visibility = "hidden"
      if (document.layers) document.layers[frame_id].visibility = "hide"
      if (document.getElementById) document.getElementById(frame_id).style.visibility = "hidden"
         
}
function showHelp(id,buttonobj,xadj,yadj) 
{
      help_id = "help_box"+id;
      frame_id = "help_frame"+id;
                      
      document.getElementById(help_id).style.visibility = "visible";
      document.getElementById(frame_id).style.visibility = "visible";

      // Position in correct place on the page
      
      left = getleftPos(buttonobj);
      
      if (left > 500) left = left - 300;
    
      document.getElementById(help_id).style.left = left + xadj + 2 + 'px';
      document.getElementById(help_id).style.top = mygetTopPos(buttonobj) + yadj + 2 + 'px';
      
      document.getElementById(frame_id).style.left = left + xadj + 'px';
      document.getElementById(frame_id).style.top = mygetTopPos(buttonobj) + yadj + 'px';
      	
} 
function getleftPos(obj)
  {
    var curleft = 0;
    if(obj.offsetParent)
        while(1) 
        {
          curleft += obj.offsetLeft;
          if(!obj.offsetParent)
            break;
          obj = obj.offsetParent;
        }
    else if(obj.x)
        curleft += obj.x;
    
  var page = 0;
  var margin = 0;
          
  if (document.getElementById) 
	{
	try {page =  document.getElementById('page').offsetLeft;}
	catch(err){page=0;}
	}
  
  //alert("Left "+curleft+"Page "+page+" Margin "+margin);
  
  return curleft - page + 25;
  }

  function mygetTopPos(obj)
  {
    var curtop = 0;
    if(obj.offsetParent)
        while(1)
        {
          curtop += obj.offsetTop;
          if(!obj.offsetParent)
            break;
          obj = obj.offsetParent;
        }
    else if(obj.y)
        curtop += obj.y;
        
  var page = 0;
  
  if (document.getElementById) 
	{
	try {page =  document.getElementById('page').offsetTop;}
	catch(err){page=150;}
	}
  
  return curtop - page + 25;
  }
  
function hideImage() 
{
      help_id = "Image_box";
      frame_id = "Image_frame";

      //document.getElementById(id).style.visibility = "hidden";
      //document.all[id].style.visibility = "hidden";
      //document.getElementById(id).visibility = "hide";
            
      if (document.layers) document.layers[help_id].visibility = "hide"
      if (document.getElementById) document.getElementById(help_id).style.visibility = "hidden"
      if (document.layers) document.layers[frame_id].visibility = "hide"
      if (document.getElementById) document.getElementById(frame_id).style.visibility = "hidden"

	document.getElementById(help_id).innerHTML = "";

         
}
function ZoomImage(id,buttonobj) 
{
      help_id = "Image_box";
      frame_id = "Image_frame";
                      
      document.getElementById(help_id).style.visibility = "visible";
      document.getElementById(frame_id).style.visibility = "visible";

      // Position in correct place on the page
      
      left = getleftPos(buttonobj);
      
      
      if (left > 500) left = left - 300;
      if (left < 150) left = left + 400;
    
      document.getElementById(help_id).style.left = left + 2 + 'px';



      document.getElementById(help_id).style.top = mygetTopPos(buttonobj) + 2 + 'px';
      
      document.getElementById(frame_id).style.left = left + 'px';
      document.getElementById(frame_id).style.top = mygetTopPos(buttonobj) + 2 + 'px';
      
          
      document.getElementById(help_id).innerHTML = "<img title='Click to Close' onclick='hideImage()'"+' src="../images/'+id+'">';

      	
}