/*

  Filename:  blog.js
  Author:    Kevin Portman
  Company:   Spinning Clock Ltd
  
  Description:
    This script will contain functions and variables for paginating the recent
  blog section.
  
*/


var intCurrentPage = 0;
var intTotalPages;

function initBlog (intNumPages) {
	
	intTotalPages = intNumPages-1;
	eval("document.getElementById(\"blog-page-"+intCurrentPage+"\").style.display = 'block';");
}

function prevPage () {
	
	if (intCurrentPage>0){
		
		eval("document.getElementById(\"blog-page-"+intCurrentPage+"\").style.display = 'none';");
		intCurrentPage--;
		eval("document.getElementById(\"blog-page-"+intCurrentPage+"\").style.display = 'block';");
		eval("document.getElementById(\"blog-page-number\").innerHTML = '"+(intCurrentPage+1)+"'");
	}
}

function nextPage () {
	
	if (intCurrentPage<intTotalPages){
		
		eval("document.getElementById(\"blog-page-"+intCurrentPage+"\").style.display = 'none';");
		intCurrentPage++;
		eval("document.getElementById(\"blog-page-"+intCurrentPage+"\").style.display = 'block';");
		eval("document.getElementById(\"blog-page-number\").innerHTML = '"+(intCurrentPage+1)+"'");
	}
}


/* button image pre-loading */
var imgPrevBlogOn  = new Image();
var imgPrevBlogOff = new Image();
var imgNextBlogOn  = new Image();
var imgNextBlogOff = new Image();

imgPrevBlogOn.src  = "assets/images/recentposts-prev-on.gif";
imgPrevBlogOff.src = "assets/images/recentposts-prev-off.gif";
imgNextBlogOn.src  = "assets/images/recentposts-next-on.gif";
imgNextBlogOff.src = "assets/images/recentposts-next-off.gif";

function switchBlogOn(strImage, strObj){
	
	eval("document.getElementById(\""+strObj+"\").src = img"+strImage+"BlogOn.src;");
}

function switchBlogOff(strImage, strObj){
	
	eval("document.getElementById(\""+strObj+"\").src = img"+strImage+"BlogOff.src;");
}