$(document).ready(function() {
	/**
	 * Pictures to display on the homepage are stored in "images/homepage/"
	 * Each folder named set1, set2... contains 3 pictures 
	 * Important: the pictures must be named "1.jpg","2.jpg",and "3.jpg"
	 */
	var numberOfSets = 4; //numbers of folders with pictures to choose from
	var setArr = new Array(1,2,3,4); //TODO: generate it 
	var i = 0;
	do {
		i = Math.round( Math.random( ) * 4 ); //i = number of picture set to display. Must be != 0 
	} while (i == 0);
	  
	$('#home-image1').attr('src','images/homepage/set'+i+'/1.jpg');
	$('#home-image2').attr('src','images/homepage/set'+i+'/2.jpg');
	$('#home-image3').attr('src','images/homepage/set'+i+'/3.jpg');
	$('#home-image4').attr('src','images/homepage/set'+i+'/4.jpg');
	
	
});

var IE = (navigator.userAgent.indexOf('MSIE') != -1);

function no_scrollbar()
{
	if(!IE)
		return;
	// no scrollbars
	var root = document.all[1]; // IE >= 4
	var firstCall = (root.style.overflow != 'auto');
	document.body.style.width = root.clientWidth + 'px';

	if(firstCall)
		root.style.overflow = 'auto';
}
onload = no_scrollbar;
onresize = no_scrollbar;