menuBits = $$('#mainNav ul');

	for (i=0; i < menuBits.length; i++)
		{
			menuBits[i].style.display = 'none';
		};
		

/* Show submenus */



 function showHideSubMenus(e) {
 		
		
		
		/* Hide all existing open menus */
		
		for (i=0; i < menuBits.length; i++)
		{
			menuBits[i].style.display = 'none';
		};
		
		/* Change all current down arrows to up arrows */
		
		menuBits2 = $$('#mainNav span');

		for (i=0; i < menuBits2.length; i++)
		{
			menuBits2[i].style.backgroundImage = 'url(http://www.2iq.co.uk/images/arrow.png)';
			menuBits2[i].style.backgroundPosition = '5px center';
		};
		
		
		/* Make this menu visible */
		
			
		thisMenu = "#" + e + " " + "ul";
		
		thisMenu = $$(thisMenu);
		
		thisMenu = thisMenu[0];
		
		thisMenu.style.display = 'none';
		
		if (thisMenu.style.display == 'none') {
			thisMenu.style.display = 'block';
			};
	
			
		/* Turn the arrow */
		
		thisElement = "#" + e + " " + "span";
		
		thisElement = $$(thisElement);
		
		thisElement = thisElement[0];
		
		thisElement.style.backgroundImage = 'url(http://www.2iq.co.uk/images/arrowdown.png)';
		thisElement.style.backgroundPosition = '2px center';
		

}; 


function simplePreload()

{ 

  var args = simplePreload.arguments;

  document.imageArray = new Array(args.length);

  for(var i=0; i<args.length; i++)

  {

    document.imageArray[i] = new Image;

    document.imageArray[i].src = args[i];

  }

}

simplePreload( 'http://www.2iq.co.uk/images/.arrowdown.png');