function showmenu(val) {
	document.getElementById("dropmenu"+val).style.display = "block";
}
function hidemenu(val) {
	document.getElementById("dropmenu"+val).style.display = "none";
}

function showcont(val) {
	document.getElementById("subdivcont"+val).style.display = "block";
}
function hidecont(val) {
	document.getElementById("subdivcont"+val).style.display = "none";
}

function hilitemainmenu(val) {
	document.getElementById("mainmenu"+val).className = "arial-12-white-hover";
}

function showhidediv(val) {
	var stat = document.getElementById('courseid'+val).style.display;
	for(i=1;i<=8;i++) {
		document.getElementById('courseid'+i).style.display = "none";
		document.getElementById('courseidhdr'+i).className = "cour-cont-hd";
	}
	if(stat == "none") {
		document.getElementById('courseid'+val).style.display = "block";
		document.getElementById('courseidhdr'+val).className = "cour-cont-hd-minus";
	}
}