/*

JAVASCRIPT TO MAKE NAVIGATION ULs FUNCTION PROPERLY IN IE

-scott 11/8/06

*/



sfHover = function() {

	// Find all unordered lists.

	var ieNavs = document.getElementsByTagName('ul');

	for (var i=0; i<ieNavs.length; i++) {

		var ul = ieNavs[i];

		// If they have a class of nav add the menu hover.

		if (ul.className.indexOf("navItems") == 0) setHover(ul);
	}

}



function setHover(nav) {

	var ieULs = nav.getElementsByTagName('ul');

	if (navigator.appVersion.substr(22,3)!="5.0") {

		// IE script to cover <select> elements with <iframe>s

		for (var j=0; j<ieULs.length; j++) {

			var ieMat=document.createElement('iframe');

			if(document.location.protocol == "https:")

				ieMat.src="//0";

			else if(window.opera != "undefined")

				ieMat.src="";

			else

				ieMat.src="javascript:false";

			ieMat.scrolling="no";

			ieMat.frameBorder="0";

			ieMat.style.width=ieULs[j].offsetWidth+"px";

			ieMat.style.height=ieULs[j].offsetHeight+"px";

			ieMat.style.zIndex="-1";

			ieULs[j].insertBefore(ieMat, ieULs[j].childNodes[0]);

			ieULs[j].style.zIndex="101";

		}

		// IE script to change class on mouseover

		var ieLIs = nav.getElementsByTagName('li');

		for (var i=0; i<ieLIs.length; i++) if (ieLIs[i]) {

			// Does this LI have children? If so add a sfnode class.

			if (ieLIs[i].getElementsByTagName("UL").length>0){

				ieLIs[i].className+=" sfnode";

			}

			

			// Add a sfhover class to the li.

			ieLIs[i].onmouseover=function() {this.className+=" sfhover";}

			ieLIs[i].onmouseout=function() {this.className=this.className.replace(' sfhover', '');}

		}

	} else {

		// IE 5.0 doesn't support iframes so hide the select statements on hover and show on mouse out.

		// IE script to change class on mouseover

		var ieLIs = document.getElementById('nav').getElementsByTagName('li');

		for (var i=0; i<ieLIs.length; i++) if (ieLIs[i]) {

			ieLIs[i].onmouseover=function() {this.className+=" sfhover";hideSelects();}

			ieLIs[i].onmouseout=function() {this.className=this.className.replace(' sfhover', '');showSelects()}

		}

	}

}



// If IE 5.0 hide and show the select statements.

function hideSelects(){

	var oSelects=document.getElementsByTagName("select");

	for(var i=0;i<oSelects.length;i++)

		oSelects[i].className+=" hide";

}



function showSelects(){

	var oSelects=document.getElementsByTagName("select");

	for(var i=0;i<oSelects.length;i++)

		oSelects[i].className=oSelects[i].className.replace(" hide","");

}



// Run this only for IE.

if (window.attachEvent) window.attachEvent('onload', sfHover);

// end