function setMailtoLinks() {
	if (!document.getElementsByTagName) { return; }
	ar_spans = document.getElementsByTagName('span');
	for (i=0; i<ar_spans.length; i++) {
		if (ar_spans[i].className == 'mailto') {	  
			ex = ar_spans[i].firstChild.nodeValue.split('?');
			for (j=0; j<ex.length; j++)
				ex[j] = unescape(ex[j]);
			if (ex[2]=='')
				ex[2] = ex[1] + '@' + ex[0];
			text = ex[2] ? ex[2] : ex[1] + '@' + ex[0];	  
			ar_spans[i].innerHTML = '<a href="mailto:' + ex[1] + '@' + ex[0] + '">' + text + '</a>';
		}
	}
}

function showImage(dapic) {
	window.open("imagepopup.php?imageurl=" + escape(dapic.href), "_blank", "width=320,height=320,resizable=yes");
	return false;
}

function imagePopup(imageurl) {
	window.open("imagepopup.php?imageurl=" + escape(imageurl), "_blank", "width=320,height=320,resizable=yes");
}

function centerwin() {
	NS = (navigator.appName=="Netscape")?true:false;
	iWidth = (NS)?window.innerWidth:document.body.clientWidth;
	iHeight = (NS)?window.innerHeight:document.body.clientHeight;
	dX = (NS)?window.screenX:window.screenLeft;
	dY = (NS)?window.screenY:window.screenTop;
	dX = ((screen.width - iWidth)/2) - dX;
	dY = ((screen.height - iHeight)/2) - dY;
	window.moveBy(dX, dY);
	self.focus();
}

function toggle(obj) {
	var el = document.getElementById(obj);
	if (el.style.display != 'none') el.style.display = 'none';
	else el.style.display = '';
}