//-----------------------------------------------------------------------
 //  File Name    : header_menu.js
 //  Developed By : Amit Raghuwanshi
 //  Date         : 30-Nov-2010
 //  Description  : This file will contain all code related to Popumenu.
 //-----------------------------------------------------------------------
		
 //-----------------------------------------------------------------------
 // Function     : toggle
 //  Description : This function will set Popup window Open/Close mode.
 //-----------------------------------------------------------------------
 function toggle(div_id) 
  {
	var el = document.getElementById(div_id);
	if ( el.style.display == 'none' ) {	el.style.display = 'block';}
	else {el.style.display = 'none';}
  }
  
 //-----------------------------------------------------------------------
 // Function     : blanket_size
 // Description  : This function will set Blancket window size.
 //-----------------------------------------------------------------------
 function blanket_size(popUpDivVar) {
	if (typeof window.innerWidth != 'undefined') {
		viewportheight = window.innerHeight;
	} else {
		viewportheight = document.documentElement.clientHeight;
	}
	if ((viewportheight > document.body.parentNode.scrollHeight) && (viewportheight > document.body.parentNode.clientHeight)) {
		blanket_height = viewportheight;
	} else {
		if (document.body.parentNode.clientHeight > document.body.parentNode.scrollHeight) {
			blanket_height = document.body.parentNode.clientHeight;
		} else {
			blanket_height = document.body.parentNode.scrollHeight;
		}
	}
	var blanket = document.getElementById('blanket');
	blanket.style.height = blanket_height + 'px';
	var popUpDiv = document.getElementById(popUpDivVar);
	popUpDiv_height=blanket_height/2-180;//180 is half popup's height
	popUpDiv.style.top = popUpDiv_height + 'px';
}

//-----------------------------------------------------------------------
// Function     : window_pos
//  Description : This function will set Popup window Position.
//-----------------------------------------------------------------------
function window_pos(popUpDivVar) 
{
	if (typeof window.innerWidth != 'undefined') 
	{
		viewportwidth = window.innerHeight;
	} 
	else 
	{
		viewportwidth = document.documentElement.clientHeight;
	}
	if ((viewportwidth > document.body.parentNode.scrollWidth) && (viewportwidth > document.body.parentNode.clientWidth)) 
	{
		window_width = viewportwidth;
	} 
	else 
	{
	   if (document.body.parentNode.clientWidth > document.body.parentNode.scrollWidth) 
	    {
			window_width = document.body.parentNode.clientWidth;
		} 
		else 
		{
			window_width = document.body.parentNode.scrollWidth;
		}
	}
	var popUpDiv = document.getElementById(popUpDivVar);
	window_width=window_width/2-245;//245 is half popup's width
	popUpDiv.style.left = window_width + 'px';
}

//-----------------------------------------------------------------------
// Function     : popup
//  Description : This function will open the Popup window.
//-----------------------------------------------------------------------
function popup(windowname,IsOpen) 
  {
	if(IsOpen)
	{
	    if(document.getElementById("state"))
        {
		   document.getElementById("state").style.visibility = "hidden";
		}
		if(document.getElementById("A18$3$state"))
	    {
    	   if(document.getElementById("mail_and_email").checked)
		       document.getElementById("A18$3$state").style.visibility = "hidden";
		}
	}
	else
	{
	    if(document.getElementById("state"))
        {
		   document.getElementById("state").style.visibility = "visible";
		}
		if(document.getElementById("A18$3$state"))
	    {
		  if(document.getElementById("mail_and_email").checked)
		      document.getElementById("A18$3$state").style.visibility = "visible";
		}
	}
	blanket_size(windowname);
	window_pos(windowname);
	toggle('blanket');
	toggle(windowname);		
}