var close_click = 1;
var drop_shadow = 0;
var caller = 0;

function fadeInOverlayBackground()
{
	if (navigator.appName!='Microsoft Internet Explorer')
	{
		$('div#overlay').fadeIn("100",function() {
			
		});
	}
	else
	{
		$('div#overlay').css("display","block");
		$('div#overlay').css("height",$(document).height());
	}
	
	if (drop_shadow==0)
		$('div#overlay_wrapper').dropShadow({
			left: 2, 
			top: 2, 
			blur: 1,
			opacity: 0.3,
			color: "#000000", 
			swap: false
		});
	
	if (drop_shadow==0)
		drop_shadow = 1;
}

function fadeOutOverlayBackground()
{
	if (navigator.appName!='Microsoft Internet Explorer')
	{
		$('div#overlay').fadeOut("100",function() {
		
		});
	}
	else
		$('div#overlay').css("display","none");
}

$('div#overlay').click(function() {
	//fadeOutOverlayBackground();
});

$('div#overlay_wrapper').click(function() {
	//return(false);
});

$('input#hybrid_check').click(function() {
	if ($('input#hybrid_check').attr("checked")==true)
		fadeInOverlayBackground();
});

$('span.overlay, div.truck img, a.truck_click, a.fleet_analysis, a.workshops, a.case_studies, a.uploads_help, span.building_help').click(function() {
	fadeInOverlayBackground();
});

$('span.overlay_close').click(function() {
	close_click = 1;
	fadeOutOverlayBackground();
});

$('div#overlay_wrapper').mouseover(function() {
	close_click = 0;
});

$('div#overlay_wrapper').mouseout(function() {
	close_click = 1;
});