function hiddenav(element) {
	document.getElementById(element).style.display = "none";
}

function shownav(element) {
	document.getElementById(element).style.display = "block";
}

function PopupPic(sPicURL) { 
     window.open( "/popup.html?"+sPicURL,"","resizable=1,HEIGHT=200,WIDTH=200"); 
}

function PopupTellafriend(URL) { 
     window.open(URL,"","resizable=1,HEIGHT=450,WIDTH=410"); 
}

function anyCheck() {
	var total = 0;
	var max = document.forms[1].elements.length;
	for (var idx = 0; idx < max; idx++) {
		if (eval("document.forms[1].elements[" + idx + "].checked") == true) {
			total += 1;
		}
	}
	if (total > 5) {
		for (var idy = 0; idy < max; idy++) {
			if (eval("document.forms[1].elements[" + idy + "].checked") == false) {
					document.forms[1].elements[idy].disabled = true;
			}
		}
	}
	if (total < 6) {
		for (var idz = 0; idz < max; idz++) {
			if (eval("document.forms[1].elements[" + idz + "].disabled") == true) {				
				document.forms[1].elements[idz].disabled = false;	
			}
		}
	}
}