/* COMMON TRC JAVASCRIPT FUNCTIONS */

//Son of Suckerfish NAVIGATION

sfHover = function() {
	var sfEls = document.getElementById("nav").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);

//END SoS

//custom Nav functions

function switchTopNav(tabname,link) {
document.getElementById(tabname).className = "navtab-on";
document.getElementById(link).className = "navlink-on";
}

function switchOffTopNav(tabname,link) {
document.getElementById(tabname).className = "navtab";
document.getElementById(link).className = "navlink";
}

function switchActiveTab(tab) {
document.getElementById(tab).className = "navtab-on";
document.getElementById("nav-"+tab).style.color = "white";
document.getElementById("nav-"+tab).style.textShadow = "#000 -1px -1px 0px";
}

//END NAVIGATION