var GB_ANIMATION = true;
$(document).ready(function(){if (isIE6()) { pngFix(); }nav();greybox(); });

function isIE6()
{
	if (jQuery.browser.msie) {
	  if(parseInt(jQuery.browser.version) == 6) 
	  {
	     return true;
	  }
	}
	return false; 
}

function pngFix()
{
	$('ul#nav li img, img#logo, div#larrow img, div#rarrow img').ifixpng();
}

function nav()
{
	var colour = 'b';
	if ($('ul#nav').hasClass('nav_black'))
	{
		colour = 'o';
	}
	$.preload(['nav_'+colour+'_philosophy', 'nav_'+colour+'_portfolio', 'nav_'+colour+'_contact'], {
    	base:'images/navigation/',
    	ext:'.png'
	});
	if (!$('li#philosophy').hasClass('nav_active'))
	{
		$('li#philosophy a').hover(function()
		{ 
			$('li#philosophy img').attr('src', 'images/navigation/nav_'+colour+'_philosophy.png');
			if (isIE6()) { $('li#philosophy img').ifixpng(); }
		}, function() 
		{ 
			$('li#philosophy img').attr('src', 'images/navigation/nav_w_philosophy.png');
			if (isIE6()) { $('li#philosophy img').ifixpng(); }
		});
	} else {
		$('li#philosophy img').attr('src', 'images/navigation/nav_'+colour+'_philosophy.png');
		if (isIE6()) { $('li#philosophy img').ifixpng(); }
	}
	if (!$('li#portfolio').hasClass('nav_active'))
	{
		$('li#portfolio a').hover(function()
		{ 
			$('li#portfolio img').attr('src', 'images/navigation/nav_'+colour+'_portfolio.png');
			if (isIE6()) { $('li#portfolio img').ifixpng(); }
		}, function() 
		{ 
			$('li#portfolio img').attr('src', 'images/navigation/nav_w_portfolio.png');
			if (isIE6()) { $('li#portfolio img').ifixpng(); }
		});
	} else {
		$('li#portfolio img').attr('src', 'images/navigation/nav_'+colour+'_portfolio.png');
		if (isIE6()) { $('li#portfolio img').ifixpng(); }
	}
	if (!$('li#contact').hasClass('nav_active'))
	{
		$('li#contact a').hover(function()
		{ 
			$('li#contact img').attr('src', 'images/navigation/nav_'+colour+'_contact.png');
			if (isIE6()) { $('li#contact img').ifixpng(); }
		}, function() 
		{ 
			$('li#contact img').attr('src', 'images/navigation/nav_w_contact.png');
			if (isIE6()) { $('li#contact img').ifixpng(); }
		});
	} else {
		$('li#contact img').attr('src', 'images/navigation/nav_'+colour+'_contact.png');
		if (isIE6()) { $('li#contact img').ifixpng(); }
	}
}

function greybox()
{
	$("a.greybox").click(function(){
          var t = this.title || this.innerHTML || this.href;
          GB_show(t,this.href,600,740);
          return false;
        });
}