//------------generateHeaderPic--------------------
function makeArray(len){
	for (var i = 0; i < len; i++) this[i] = null;
	this.length = len;
}

headpic = new makeArray(8);
headpic[0] = "01";
headpic[1] = "02";
headpic[2] = "03";
headpic[3] = "04";
headpic[4] = "05";
headpic[5] = "06";
headpic[6] = "07";
headpic[7] = "08";

var now = new Date();
var seed = now.getTime() % 0xffffffff;
function rand(n) {
	seed = (0x015a4e35 * seed) % 0x7fffffff;
	return (seed >> 16) % n;
}
        
function generateHeaderPic(){
	document.write("<img src='../shop/images/template/header/header_" + headpic[rand(headpic.length)] + ".jpg' width='395' height='187'>");
}