window.onload = initImages;


function initImages() {
	for (var i=0; i<document.images.length; i++) {
		document.images[i].onmousedown = newWindow;
	}
}

function newWindow() {
	var imgName = "../img/" + this.id + "_big.jpg"
	var imgWindow = window.open(imgName, "imgWin", "width=640,height=480,scrollbars=no")
}