function scrollingDetector(){

alert("You are at " + document.body.scrollLeft + " pixels.");
}

// dropdowns:  IE psuedo class 

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"), "");
		}
	}
}

function showadvs(){
	if(document.getElementById('advs').style.display == 'none')
	{
	document.getElementById('advs').style.display = 'block';
	document.getElementById('searchtype').innerHTML = 'Simple Search';
	document.getElementById('type').value = 'advanced';
	}
	else
	{
	document.getElementById('advs').style.display = 'none';
	document.getElementById('searchtype').innerHTML = 'Advanced Search';
	document.getElementById('type').value = 'simple';
	}
}