jQuery(document).ready(function()
{
	pickNums(1);
});

var bannerArr  = new Array(	['Banner Name1', '/file_depot/0-10000000/0-10000/1/folder/55/TFC_header-image_01.jpg'],
							['Banner Name2', '/file_depot/0-10000000/0-10000/1/folder/55/TFC_header-image_02.jpg'],
							['Banner Name2', '/file_depot/0-10000000/0-10000/1/folder/55/TFC_header-image_03.jpg'],
							['Banner Name2', '/file_depot/0-10000000/0-10000/1/folder/55/TFC_header-image_04.jpg'],
							['Banner Name2', '/file_depot/0-10000000/0-10000/1/folder/55/TFC_header-image_06.jpg'],
							['Banner Name2', '/file_depot/0-10000000/0-10000/1/folder/55/TFC_header-image_07.jpg'],
							['Banner Name2', '/file_depot/0-10000000/0-10000/1/folder/55/TFC_header-image_08.jpg'],
							['Banner Name2', '/file_depot/0-10000000/0-10000/1/folder/55/TFC_header-image_09.jpg'],
			   				['Banner Name2', '/file_depot/0-10000000/0-10000/1/folder/55/TFC_header-image_10.jpg'],
			   				['Banner Name2', '/file_depot/0-10000000/0-10000/1/folder/55/TFC_header-image_11.jpg'],
			   				['Banner Name2', '/file_depot/0-10000000/0-10000/1/folder/55/TFC_header-image_12.jpg'],
			   				['Banner Name2', '/file_depot/0-10000000/0-10000/1/folder/55/TFC_header-image_13.jpg'],
			   				['Banner Name2', '/file_depot/0-10000000/0-10000/1/folder/55/TFC_header-image_14.jpg'],
			   				['Banner Name2', '/file_depot/0-10000000/0-10000/1/folder/55/TFC_header-image_15.jpg'],
			   				['Banner Name3', '/file_depot/0-10000000/0-10000/1/folder/55/TFC_header-image_16.jpg']);
 
	var ImageClass = "header_wrapper"; 
	var pickArr    = new Array(); // The array that will be formed
	var count      = 0;
	var iterations = 0;
	var doFlag     =false;

	function pickNums(nums)
	{
		iterations+=1;
		var currNum = Math.round((bannerArr.length-1)*Math.random());
		if(count!=0)
		{
			for(var i=0; i<pickArr.length; i++)
			{
				if(bannerArr[currNum]==pickArr[i])
				{
					doFlag=true;
					break;
				}
			}
	 }
	 if(!doFlag)
	 {
		pickArr[count]=bannerArr[currNum];
		$("."+ImageClass).css('background-image', 'url('+bannerArr[currNum][1]+')');
		count+=1;
	 }
	 if(iterations<(bannerArr.length*3)) // Compare for max iterations you want
	 {
		if((count<nums))
		{
			pickNums(nums);
		}
	 }
	 else
	 {
		location.reload();
		}
	}