/* Header Images */
var path = imagePath + "headerImages/";
//var path = "headerImages/";
//set global variables
var image1 = path+ "header_image1_0.jpg";
var image2 = path+ "header_image2_0.jpg";
var image3 = path+ "header_image3_0.jpg";
var image4 = path+ "header_image4_0.jpg";


function getHeaderImages()
{
	//last index number of header image sets (named header_image1|2|3|4_headId.jpg)
	var headId = 1;
	
	//get random number
	var id = getRandom(0,headId);

	//set images
	image1 = path + "header_image1_"+id+".jpg";
	image2 = path + "header_image2_"+id+".jpg";
	image3 = path + "header_image3_"+id+".jpg";
	image4 = path + "header_image4_"+id+".jpg";
	
	showImages();
}

//get random number between min and max
function getRandom(mi,ma){return (Math.round(Math.random()*(ma-mi)))+mi;}

//show images
function showImages()
{
	document.write("<td><img src=\""+image1+"\" width=\"190\" height=\"100\" border=\"0\"></td>");
	document.write("<td><img src=\""+image2+"\" width=\"190\" height=\"100\" border=\"0\"></td>");
	document.write("<td><img src=\""+image3+"\" width=\"190\" height=\"100\" border=\"0\"></td>");
	document.write("<td><img src=\""+image4+"\" width=\"190\" height=\"100\" border=\"0\"></td>");
}