/*
    Shows the global loading overlay
*/
function ShowLoadingOverlay(text)
{
    // Set text
    $("#loadingOverlay .loadingText").html(text);

    // Show overlay
    $("#greyScreen").css({"display": "block", opacity: 0.7, "width": $(document).width(),"height": $(document).height()});
    $("body").css({"overflow": "hidden"});
    $("#loadingOverlay").css({"display": "block"});
}

/*
    Hides the global loading overlay
*/
function HideLoadingOverlay()
{
    // Remove text
    $("#loadingOverlay .loadingText").empty();

    // Hide overlay
    $("#greyScreen").css({"display": "none"});
    $("#loadingOverlay").css({"display": "none"});
    $("body").css({"overflow": ""}); 
}

/*
    Shows the "Select voucher type" overlay
*/
function ShowVoucherTypeOverlay()
{
    // Show overlay
    $("#greyScreen").css({"display": "block", opacity: 0.7, "width": $(document).width(),"height": $(document).height()});
    $("body").css({"overflow": "hidden"});
    $("#selectVoucherTypeOverlay").css({"display": "block"});
}

/*
    Hides the "Select voucher type" overlay
*/
function HideVoucherTypeOverlay()
{
    // Hide overlay
    $("#greyScreen").css({"display": "none"});
    $("#selectVoucherTypeOverlay").css({"display": "none"});
    $("body").css({"overflow": ""}); 
}

/*
    Shows the cart action message overlay
*/
function ShowCartActionMessage(text)
{
    var duration = 2000; // Show overlay for 2 seconds

    // Set text
    $("#cartMessageOverlay .messageText").html(text);
    // Show cart message for x seconds
    $('#cartMessageOverlay').fadeIn().delay(duration).fadeOut('slow');
}

/*
    Scroll to specfied element
*/        
function ScrollToElement(element)
{
    $("html,body").animate({scrollTop: $(element).offset().top}, "slow");
}

/*
    Tooltip
*/
var tooltip=function(){
	var id = 'tt';
	var top = 3;
	var left = 3;
	var maxw = 300;
	var speed = 10;
	var timer = 20;
	var endalpha = 95;
	var alpha = 0;
	var tt,t,c,b,h;
	var ie = document.all ? true : false;
	return{
		show:function(v,w){
			if(tt == null){
				tt = document.createElement('div');
				tt.setAttribute('id',id);
				t = document.createElement('div');
				t.setAttribute('id',id + 'top');
				c = document.createElement('div');
				c.setAttribute('id',id + 'cont');
				b = document.createElement('div');
				b.setAttribute('id',id + 'bot');
				tt.appendChild(t);
				tt.appendChild(c);
				tt.appendChild(b);
				document.body.appendChild(tt);
				tt.style.opacity = 0;
				tt.style.filter = 'alpha(opacity=0)';
				document.onmousemove = this.pos;
			}
			tt.style.display = 'block';
			c.innerHTML = v;
			tt.style.width = w ? w + 'px' : 'auto';
			if(!w && ie){
				t.style.display = 'none';
				b.style.display = 'none';
				tt.style.width = tt.offsetWidth;
				t.style.display = 'block';
				b.style.display = 'block';
			}
			if(tt.offsetWidth > maxw){tt.style.width = maxw + 'px'}
			h = parseInt(tt.offsetHeight) + top;
			clearInterval(tt.timer);
			tt.timer = setInterval(function(){tooltip.fade(1)},timer);
		},
		pos:function(e){
			var u = ie ? event.clientY + document.documentElement.scrollTop : e.pageY;
			var l = ie ? event.clientX + document.documentElement.scrollLeft : e.pageX;
			tt.style.top = (u - h) + 'px';
			tt.style.left = (l + left) + 'px';
		},
		fade:function(d){
			var a = alpha;
			if((a != endalpha && d == 1) || (a != 0 && d == -1)){
				var i = speed;
				if(endalpha - a < speed && d == 1){
					i = endalpha - a;
				}else if(alpha < speed && d == -1){
					i = a;
				}
				alpha = a + (i * d);
				tt.style.opacity = alpha * .01;
				tt.style.filter = 'alpha(opacity=' + alpha + ')';
			}else{
				clearInterval(tt.timer);
				if(d == -1){tt.style.display = 'none'}
			}
		},
		hide:function(){
			clearInterval(tt.timer);
			tt.timer = setInterval(function(){tooltip.fade(-1)},timer);
		}
	};
}();

$(window).load(function() 
{    
    var theWindow        = $(window),
		$bg              = $("#full-background-image"),
		aspectRatio      = $bg.width() / $bg.height();
		
	function ResizeBackground() 
	{
		if ((theWindow.width() / theWindow.height()) < aspectRatio ) 
		{
			$bg.removeClass().addClass('bgheight');
		} 
		else 
		{
			$bg.removeClass().addClass('bgwidth');
		}
	}

	theWindow.resize(function() {
	    ResizeBackground();
	}).trigger("resize");
});

$(document).ready(function() {
    $("html").removeClass().addClass('js-enabled');
});
