function move_in(img_name,img_src) {
document[img_name].src=img_src;
}

function move_out(img_name,img_src) {
document[img_name].src=img_src;
}


function initRollovers() {
    if (!document.getElementById) return
      
    var aPreLoad = new Array();
    var sTempSrc;
    var aImages = document.getElementsByTagName('img');
    for (var i = 0; i < aImages.length; i++) {
	if (aImages[i].className == 'rollover') {
	    var src = aImages[i].getAttribute('src');
	    var ftype = src.substring(src.lastIndexOf('.'), src.length);
	    var hsrc = src.replace(ftype, '_r'+ftype);

	    aImages[i].setAttribute('hsrc', hsrc);
	    
	    aPreLoad[i] = new Image();
	    aPreLoad[i].src = hsrc;
	    
	    aImages[i].onmouseover = function() {
		sTempSrc = this.getAttribute('src');
		this.setAttribute('src', this.getAttribute('hsrc'));
	    }
	    aImages[i].onmouseout = function() {
		if (!sTempSrc) sTempSrc = this.getAttribute('src').replace('_r'+ftype, ftype);
		this.setAttribute('src', sTempSrc);
	    }
	}
    }
}
window.onload = initRollovers;



sfHover2 = function() {
	var sfEls2 = document.getElementById("nav_links").getElementsByTagName("LI");
	for (var i=0; i<sfEls2.length; i++) {
		sfEls2[i].onmouseover=function() {
			this.className+=" sfhover";
		}
		sfEls2[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover2);