lastHigh = false;

function mOver(elem) {
  if (elem.src.search(/normal/) != -1) elem.src = elem.src.replace(/normal/, "over");
  if (elem.src.search(/high/) != -1 && !lastHigh) {
    elem.src = elem.src.replace(/high/, "over");
    lastHigh = true;
  }
}

function mOut(elem) {
  if (lastHigh && elem.src.search(/over/) != -1 && elem.src.search(/nav_/) != -1) {
    elem.src = elem.src.replace(/over/, "high");
    lastHigh = false;
  }
  if (elem.src.search(/over/) != -1) elem.src = elem.src.replace(/over/, "normal");
}

function mOverChild(elem) {
  mOver(elem.firstChild.firstChild.firstChild);
}

function mOutChild(elem) {
  mOut(elem.firstChild.firstChild.firstChild);
}

sfHover = function() {
	var sfEls = document.getElementById("nav_yogaperle").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);

sfHover2 = function() {
	var sfEls = document.getElementById("nav_ashtanga").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", sfHover2);