function swapHeaderPicOn(id) {
	if (id == "header1")
		document.getElementById(id).src = "images/header_but_sherutim_over.gif";
	if (id == "header2")
		document.getElementById(id).src = "images/header_but_peiluyot_over.gif";
	if (id == "header3")
		document.getElementById(id).src = "images/header_but_hishtatfut_over.gif";
	if (id == "header4")
		document.getElementById(id).src = "images/header_but_odot_over.gif";
	if (id == "header5")
		document.getElementById(id).src = "images/header_but_english_over.gif";
}

function swapHeaderPicOff(id) {
	if (id == "header1")
		document.getElementById(id).src = "images/header_but_sherutim.gif";
	if (id == "header2")
		document.getElementById(id).src = "images/header_but_peiluyot.gif";
	if (id == "header3")
		document.getElementById(id).src = "images/header_but_hishtatfut.gif";
	if (id == "header4")
		document.getElementById(id).src = "images/header_but_odot.gif";
	if (id == "header5")
		document.getElementById(id).src = "images/header_but_english.gif";
}