// -----------------------------------------------------------------------------------

//
// getPageScroll()
// Returns array with x,y page scroll values.
// Core code from - quirksmode.com
//
function getPageScroll(){

	var xScroll, yScroll;

	if (self.pageYOffset) {
		yScroll = self.pageYOffset;
		xScroll = self.pageXOffset;
	} else if (document.documentElement && document.documentElement.scrollTop){	 // Explorer 6 Strict
		yScroll = document.documentElement.scrollTop;
		xScroll = document.documentElement.scrollLeft;
	} else if (document.body) {// all other Explorers
		yScroll = document.body.scrollTop;
		xScroll = document.body.scrollLeft;	
	}

	arrayPageScroll = new Array(xScroll,yScroll) 
	return arrayPageScroll;
}

// -----------------------------------------------------------------------------------

//
// getPageSize()
// Returns array with page width, height and window width, height
// Core code from - quirksmode.com
// Edit for Firefox by pHaez
//
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;
	
//	console.log(self.innerWidth);
//	console.log(document.documentElement.clientWidth);

	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;
	}

//	console.log("xScroll " + xScroll)
//	console.log("windowWidth " + windowWidth)

	// for small pages with total width less then width of the viewport
	if(xScroll < windowWidth){	
		pageWidth = xScroll;		
	} else {
		pageWidth = windowWidth;
	}
//	console.log("pageWidth " + pageWidth)

	arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
	return arrayPageSize;
}

// -----------------------------------------------------------------------------------
$(document).ready(function(){
//	$(".show_image").mouseover(function(){
//		$(".show_image").addClass("zoom_in");
//	});
//	$(".show_image").mouseout(function(){
//		$(".show_image").removeClass("zoom_in");
//	});
//	$(".close_lnk").mouseover(function(){
//		$(".close_lnk").addClass("zoom_out");
//	});
//	$(".close_lnk").mouseout(function(){
//		$(".close_lnk").removeClass("zoom_out");
//	});
	showImage = function(src){
		$(".bigimage").css("opacity", "0");
		$(".bigimage").attr({src: ''});
		var myimage = new Image();
		myimage.src = src;
		var arrayPageSize = getPageSize();
		var arrayPageScroll = getPageScroll();
		//if (!myimage.width || !myimage.height) {
			var TimerId = setTimeout(function(){
				if (myimage.width != 0 && myimage.height != 0) {
					$("#lightbox").css("width", myimage.width);
					$("#lightbox").css("height", myimage.height);
					$("#lightbox").css("left", arrayPageSize[2]/2-myimage.width/2);
					$("#lightbox").css("top", (arrayPageSize[3]/2-myimage.height/2)+arrayPageScroll[1]);
					$("#cheto").css("display", "block");
					$(".bigimage").attr({src: myimage.src});
					$(".bigimage").animate({"opacity": 1}, 500);
					//$(".bigimage").css("opacity", 1);
					clearTimeout(TimerId);
					unset(TimerId);
					unset(myimage);
				}
			}, 1000);
		//}
		//else {
		//}
		return false;
	};
	$(".close_lnk").click(function(){
		$("#cheto").css("display", "none");
		return false;
	});
});