userAgent = window.navigator.userAgent;
browserVers = parseInt(userAgent.charAt(userAgent.indexOf("/")+1),10);
function findElement(n,ly) {
	if (browserVers < 4)		return document[n];
	var curDoc = ly ? ly.document : document;
	var elem = curDoc[n];
	if (!elem) {
		for (var i=0;i<curDoc.layers.length;i++) {
			elem = findElement(n,curDoc.layers[i]);
			if (elem) return elem;
		}
	}
	return elem;
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images) {
		var img;
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			img = null;
			if (document.layers) {
				img = findElement(changeImages.arguments[i],0);
			}
			else {
				img = document.images[changeImages.arguments[i]];
			}
			if (img) {
				img.src = changeImages.arguments[i+1];
			}
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		profile_over = newImage("images/profile-over.gif");
		portfolio_over = newImage("images/portfolio-over.gif");
		feature_over = newImage("images/feature-over.gif");
		press_over = newImage("images/press-over.gif");
		contact_over = newImage("images/contact-over.gif");
		preloadFlag = true;
	}
}


var x = null;
function  pop_window(name)  {
  x = window.open(name,"pop_window","width=495,height=219,scrollbars=no,dependent");
  window.blur();
}

function  home_feature(name)  {
  x = window.open(name,"home_feature","width=520,height=520,screenX=50,screenY=300,top=50,left=300,scrollbars=yes,dependent");
	  window.blur();
}



function maximizeWin() {
  if (window.screen) {
    var aw = screen.availWidth;
    var ah = screen.availHeight;
    window.moveTo(0, 0);
    window.resizeTo(aw, ah);
  }
}

var win = null;
function centerWin(mypage,myname,w,h,scroll){
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='+scroll+',resizable'
win = window.open(mypage,myname,settings)
}