/* 
	Image fading adapted from:
	http://clagnut.com/sandbox/imagefades/
*/

function initImage() {
	if (document.images.thephoto1) {
		imageId = 'thephoto1';
		image = document.getElementById(imageId);
		setOpacity(image, 0);
		image.style.visibility = "visible";
		fadeIn(imageId,0);
	}
	if (document.images.thephoto2) {
		imageId = 'thephoto2';
		image = document.getElementById(imageId);
		setOpacity(image, 0);
		image.style.visibility = "visible";
		fadeIn(imageId,0);
	}
}

function fadeIn(objId,opacity) {
	if (document.getElementById) {
		obj = document.getElementById(objId);
		if (opacity <= 100) {
			setOpacity(obj, opacity);
			opacity += 25;
			window.setTimeout("fadeIn('"+objId+"',"+opacity+")", 100);
		}
	}
}

function setOpacity(obj, opacity) {
	opacity = (opacity == 100)?99.999:opacity;
	// IE/Win
	obj.style.filter = "alpha(opacity:"+opacity+")";
	// Safari<1.2, Konqueror
	obj.style.KHTMLOpacity = opacity/100;
	// Older Mozilla and Firefox
	obj.style.MozOpacity = opacity/100;
	// Safari 1.2, newer Firefox and Mozilla, CSS3
	obj.style.opacity = opacity/100;
}

sfHover = function() {
	if (document.getElementById("nav")) {
		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"), "");
			}
		}
	}
}

if (window.attachEvent) window.attachEvent("onload", sfHover);

sfHoverTop = function() {
	if (document.getElementById("navtop")) {
		var sfEls = document.getElementById("navtop").getElementsByTagName("LI");
		for (var i=0; i<sfEls.length; i++) {
			sfEls[i].onmouseover=function() {
				this.className+=" sfhoverTop";
			}
			sfEls[i].onmouseout=function() {
				this.className=this.className.replace(new RegExp(" sfhoverTop\\b"), "");
			}
		}
	}
}

if (window.attachEvent) window.attachEvent("onload", sfHoverTop);

sfHoverMain = function() {
	var sfEls = document.getElementById("navmain").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhoverMain";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhoverMain\\b"), "");
		}
	}
}

if (window.attachEvent) window.attachEvent("onload", sfHoverMain);

sfHoverMainTop = function() {
	var sfEls = document.getElementById("navmaintop").getElementsByTagName("LI");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhoverMainTop";
		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhoverMainTop\\b"), "");
		}
	}
}

if (window.attachEvent) window.attachEvent("onload", sfHoverMainTop);

var win = null;

function popup(n,w,h){
	LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
	TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
	settings = 'height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars=no,toolbar=no,resizable=no';
	win = window.open("",n,settings);
}