/* used to make the pure css dropdowns work in IE */
sfHover = function() {
	var sfEls = document.getElementById("pnav-menu").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
			//alert(this.id);
			if(document.body.className=="wheretobuy" && this.id=="pnav-productinfo") {
				var ul = document.getElementById("pnav-wheretobuy").getElementsByTagName("UL");
				ul[0].style.display='none';
			}
			
			if(document.body.className=="support" && this.id=="pnav-wheretobuy") {
				var ul1 = document.getElementById("pnav-support").getElementsByTagName("UL");
				ul1[0].style.display='none';
			}
			if(document.body.className=="support" && this.id=="pnav-productinfo") {
				var ul1 = document.getElementById("pnav-wheretobuy").getElementsByTagName("UL");
				var ul2 = document.getElementById("pnav-support").getElementsByTagName("UL");
				ul1[0].style.display='none';
				ul2[0].style.display='none';
			}
			
			if(document.body.className=="aboutus" && this.id=="pnav-support") {
				var ul1 = document.getElementById("pnav-aboutus").getElementsByTagName("UL");
				ul1[0].style.display='none';
			}
			if(document.body.className=="aboutus" && this.id=="pnav-wheretobuy") {
				var ul1 = document.getElementById("pnav-support").getElementsByTagName("UL");
				var ul2 = document.getElementById("pnav-aboutus").getElementsByTagName("UL");
				ul1[0].style.display='none';
				ul2[0].style.display='none';
			}
			if(document.body.className=="aboutus" && this.id=="pnav-productinfo") {
				var ul1 = document.getElementById("pnav-wheretobuy").getElementsByTagName("UL");
				var ul2 = document.getElementById("pnav-support").getElementsByTagName("UL");
				var ul3 = document.getElementById("pnav-aboutus").getElementsByTagName("UL");
				ul1[0].style.display='none';
				ul2[0].style.display='none';
				ul3[0].style.display='none';
			}
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
			var ul1 = document.getElementById("pnav-productinfo").getElementsByTagName("UL");
			var ul2 = document.getElementById("pnav-wheretobuy").getElementsByTagName("UL");
			var ul3 = document.getElementById("pnav-support").getElementsByTagName("UL");
			//var ul4 = document.getElementById("pnav-aboutus").getElementsByTagName("UL");
			ul1[0].style.display='block';
			ul2[0].style.display='block';
			ul3[0].style.display='block';
			//ul4[0].style.display='block';
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);

/* Toggle visibility of the images on the instructions page */
function toggleVisibility (id) {
	var element = document.getElementById(id);
	if(element.style.display.toLowerCase()!='block') {
		element.style.display='block';
	}
	else {
		element.style.display='none';
	}
}

function hideOtherSubNavs (id1,id2) {
	var element1 = document.getElementById(id1);
	var element2 = document.getElementById(id2);
	element1.style.display='none';
	element2.style.display='none';
}

function showOtherSubNavs (id1,id2) {
	var element1 = document.getElementById(id1);
	var element2 = document.getElementById(id2);
	element1.style.display='block';
	element2.style.display='block';
}