function scanforlinks() {
    // securing against really old DOMs
    if (! document.getElementsByTagName){return false};
    if (! document.getElementById){return false};
    links = document.getElementsByTagName('a');
    for (i=0; i < links.length; i++) {
        if (links[i].getAttribute('href')) {
            var linkval = links[i].getAttribute('href')
            if (linkval.toLowerCase().substring((linkval.length-4), linkval.length).indexOf('.pdf') == 0) {
				if(links[i].className != "")
					links[i].className = links[i].className + " pdf";
				else
					links[i].className = "pdf";
				if(links[i].parentNode.tagName == "LI") {
					if(links[i].parentNode.className != "")
						links[i].parentNode.className = links[i].parentNode.className + " pdf";
					else
						links[i].parentNode.className = "pdf";
				}
			}
            if (linkval.toLowerCase().substring((linkval.length-4), linkval.length).indexOf('.ppt') == 0) {
				if(links[i].className != "")
					links[i].className = links[i].className + " ppt";
				else
					links[i].className = "ppt";
				if(links[i].parentNode.tagName == "LI") {
					if(links[i].parentNode.className != "")
						links[i].parentNode.className = links[i].parentNode.className + " ppt";
					else
						links[i].parentNode.className = "ppt";
				}
			}
            if (linkval.toLowerCase().substring((linkval.length-4), linkval.length).indexOf('.doc') == 0) {
				if(links[i].className != "")
					links[i].className = links[i].className + " doc";
				else
					links[i].className = "doc";
				if(links[i].parentNode.tagName == "LI") {
					if(links[i].parentNode.className != "")
						links[i].parentNode.className = links[i].parentNode.className + " doc";
					else
						links[i].parentNode.className = "doc";
				}
			}
			if (linkval.toLowerCase().substring((linkval.length-4), linkval.length).indexOf('.xls') == 0) {
				if(links[i].className != "")
					links[i].className = links[i].className + " xls";
				else
					links[i].className = "xls";
				if(links[i].parentNode.tagName == "LI") {
					if(links[i].parentNode.className != "")
						links[i].parentNode.className = links[i].parentNode.className + " xls";
					else
						links[i].parentNode.className = "xls";
				}
			}
            if (linkval.toLowerCase().substring((linkval.length-4), linkval.length).indexOf('.zip') == 0) {
				if(links[i].className != "")
					links[i].className = links[i].className + " zip";
				else
					links[i].className = "zip";
				if(links[i].parentNode.tagName == "LI") {
					if(links[i].parentNode.className != "")
						links[i].parentNode.className = links[i].parentNode.className + " zip";
					else
						links[i].parentNode.className = "zip";
				}
			}
        }
    }
}

function toggleLayer(obj) {
	var el = document.getElementById(obj);
	el.style.display = (el.style.display != 'none' ? 'none' : '' );
}

function toggleBday(obj) {
	var el = document.getElementById(obj);
	var jan = document.getElementById('Jan'); jan.style.display = 'none';
	var feb = document.getElementById('Feb'); feb.style.display = 'none';
	var mar = document.getElementById('Mar'); mar.style.display = 'none';
	var apr = document.getElementById('Apr'); apr.style.display = 'none';
	var may = document.getElementById('May'); may.style.display = 'none';
	var jun = document.getElementById('Jun'); jun.style.display = 'none';
	var jul = document.getElementById('Jul'); jul.style.display = 'none';
	var aug = document.getElementById('Aug'); aug.style.display = 'none';
	var sep = document.getElementById('Sep'); sep.style.display = 'none';
	var oct = document.getElementById('Oct'); oct.style.display = 'none';
	var nov = document.getElementById('Nov'); nov.style.display = 'none';
	var dec = document.getElementById('Dec'); dec.style.display = 'none';
	el.style.display = 'block';
}