var techimageall = new Image();
techimageall.src = "technology_all.jpg";
var tr = new Image();
tr.src = "technology_modular.jpg";
var tm = new Image();
tm.src = "technology_integrated.jpg";
var tpc = new Image();
tpc.src = "technology_chipscale.jpg";
var tmo = new Image();
tmo.src = "technology_packaging.jpg";

function unhover() {
	/* document.getElementById('techimage').src=techimageall.src; */
	return;
}

function hover(image) {
	/* document.getElementById('techimage').src = document.getElementById('techimage').src.replace("all",image); */
	document.getElementById('techimage').src = "technology_"+image+".jpg";
}