//vars
var docHeight;

//dropdown menu
var timeout    = 0;
var closetimer = 0;
var ddmenuitem = 0;

function ddmenu_open(){  
	ddmenu_canceltimer();
	ddmenu_close();
	ddmenuitem = $(this).find('ul').css('visibility', 'visible');
	ddmenuitem.parent().addClass('hover');
}

function ddmenu_close(){  
	if (ddmenuitem) {
		ddmenuitem.css('visibility', 'hidden');
		ddmenuitem.parent().removeClass('hover');
	}
}

function ddmenu_timer(){  
	closetimer = window.setTimeout(ddmenu_close, timeout);
}

function ddmenu_canceltimer(){  
	if(closetimer){  
		window.clearTimeout(closetimer);
	    closetimer = null;
	}
}

function lupa(container){
	$(container).find('a').css('opacity','0.7');
	$(container+ " a").hover(
        function(){
            $(this).stop().animate({
                opacity: 1
            },200)
			 $(this).find('.lupa').show();
        },
        function(){
            $(this).stop().animate({
                opacity: 0.7
            },200)
			$(this).find('.lupa').hide();
        }
    );
}

function getPageSize() {
	var xScroll, yScroll;
	if (window.innerHeight && window.scrollMaxY) {	
		xScroll = window.innerWidth + window.scrollMaxX;
		yScroll = window.innerHeight + window.scrollMaxY;
	} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
		xScroll = document.body.scrollWidth;
		yScroll = document.body.scrollHeight;
	} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
		xScroll = document.body.offsetWidth;
		yScroll = document.body.offsetHeight;
	}
	
	var windowWidth, windowHeight;
	if (self.innerHeight) {	// all except Explorer
		if(document.documentElement.clientWidth){
			windowWidth = document.documentElement.clientWidth; 
		} else {
			windowWidth = self.innerWidth;
		}
		windowHeight = self.innerHeight;
	} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
		windowWidth = document.documentElement.clientWidth;
		windowHeight = document.documentElement.clientHeight;
	} else if (document.body){ // other Explorers
		windowWidth = document.body.clientWidth;
		windowHeight = document.body.clientHeight;
	}	
	
	// for small pages with total height less then height of the viewport
	if(yScroll < windowHeight){
		pageHeight = windowHeight;
	} else { 
		pageHeight = yScroll;
	}
	
	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){	
		pageWidth = xScroll;		
	} else {
		pageWidth = windowWidth;
	}
	
	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight);
	return arrayPageSize;
};


function setPattern(target){
	var arrPageSizes = getPageSize();
	$(target).css({
		width:		arrPageSizes[0],
		height:		arrPageSizes[1]
	});
	
	$(window).resize(function(){
		var arrPageSizes = getPageSize();
		$(target).css({
			width:		arrPageSizes[0],
			height:		arrPageSizes[1]
		});
	});
}

$(document).ready(function(){
	
getPageSize();
setPattern('#pattern')

lupa('.mini_gallery');
lupa('.reference');
	
//ddmenu	 
$('.nav > li').bind('mouseover', ddmenu_open);
$('.nav > li').bind('mouseout',  ddmenu_timer);
document.onclick = ddmenu_close;

		
});