/* Copyright (c) 2010 WebCatalyst http://www.webCatalyst.org
 * WebCatalyst Gallery
 * Requires:
 	==> Image Name should be in sequence like img1.jpg, img2.jpg, img3.jpg.
	==> All Images should have JPG Format.
 */

//Last modified by Ashish 2ndFeb, 2010



//Open LightBox
function showLight(url){
	//
	document.getElementById('light').style.display='block';
	document.getElementById('fade').style.display='block';
	
	// Fixing Height of Inner Content
	var totalHeight = document.getElementById('light').clientHeight;
	var contHeight = totalHeight - 70;
	document.getElementById('inContLight').style.height = contHeight+"px";
	
	// Taking Current Image
	document.getElementById('mainImg').src = url;
}

//Close LightBox
function closeLight(){
	document.getElementById('light').style.display='none';
	document.getElementById('fade').style.display='none'
}

// Controls -- Next
function nextImg(){
		
	var imgPath =document.getElementById('mainImg').src;
	var imgNum = Number(imgPath.substring(imgPath.length-5,imgPath.length-4));
	var imgName = imgPath.substring(0,imgPath.length-5);
	var newImg = imgNum+1;
	var lastImg = document.getElementById('thumbs').getElementsByTagName('IMG').length;
	//
	if(imgNum == lastImg ){
		document.getElementById('mainImg').src = imgName+"1"+".jpg";
	}else{
		document.getElementById('mainImg').src = imgName+newImg+".jpg";
	}
}
// Controls -- Previous
function prevImg(){
	var imgPath =document.getElementById('mainImg').src;
	var imgNum = Number(imgPath.substring(imgPath.length-5,imgPath.length-4));
	var imgName = imgPath.substring(0,imgPath.length-5);
	var newImg = imgNum-1;
	var lastImg = document.getElementById('thumbs').getElementsByTagName('IMG').length;
	//
	if(imgNum == 1){
		document.getElementById('mainImg').src = imgName+lastImg+".jpg";
	}else{
		document.getElementById('mainImg').src = imgName+newImg+".jpg";
	}
}