var a = new Array();
function navDisplay(menu) {
	var current;
	if (isIE4){
		current = eval('document.all.'+menu+'.style.visibility');
		if ( current  == "visible"){
			navClose();
		}else{
			navClose();
			eval('document.all.'+menu+'.style.visibility = "visible";');
		}
	}else if (isNS6up){
		current = eval('document.getElementById(menu).style.visibility');
		if ( current  == "visible"){
			navClose();
		}else{
			navClose();
	 		eval('document.getElementById(menu).style.visibility = "visible";');
		}
	}else if (isNS4){
		current = eval('document.'+menu+'.visibility');
		if ( current  == "show"){
			navClose();
		}else{
			navClose();
	 		eval('document.'+menu+'.visibility = "show";');
		}
	}else{
		alert("Un-Supported Browser");
		return;
	}

}

function navClose() {
	if (isIE4){
     eval('document.all.newsContent.style.visibility= "hidden";')
     eval('document.all.portfolioContent.style.visibility= "hidden";')
     eval('document.all.contactContent.style.visibility= "hidden";')
     eval('document.all.resumeContent.style.visibility= "hidden";')
	}

	if (isNS6up){
		document.getElementById('newsContent').style.visibility = "hidden";
        document.getElementById('portfolioContent').style.visibility = "hidden";
        document.getElementById('resumeContent').style.visibility = "hidden";
        document.getElementById('contactContent').style.visibility = "hidden";
	}

	if (isNS4){
     eval('document.newsContent.visibility= "hidden";')
     eval('document.portfolioContent.visibility= "hidden";')
     eval('document.resumeContent.visibility= "hidden";')
     eval('document.contactContent.visibility= "hidden";')
	}	
}

// preload rollover images if the browser supports it
if ((navigator.appName == 'Netscape' && parseFloat(navigator.appVersion) >= 3) ||
(parseFloat(navigator.appVersion) >= 4)){		

newson = new Image();
newsoff = new Image();
portfolioon = new Image();
portfoliooff = new Image();
resumeon = new Image();
resumeoff = new Image();
contacton = new Image();
contactoff = new Image();

newson.src = "images/news_w.gif";
newsoff.src = "images/news_o.gif";
portfolioon.src = "images/portfolio_w.gif";
portfoliooff.src = "images/portfolio_o.gif";
resumeon.src = "images/resume_w.gif";
resumeoff.src = "images/resume_o.gif";
contacton.src = "images/contact_w.gif";
contactoff.src = "images/contact_o.gif";
}


function swapImg(oldImg, newImg) {
	if ( isNS4 || isIE4 || isIE5 || isNew || isNS6up){
		eval('document.images.' + oldImg +'.src=' + newImg +'.src');
	}
}

function newWindow(href){
	var prefs ="toolbar=no,status=no,menubar=no,resizable=no,location=no,width=762,height=561,scrollbars=yes";
	spawnWindow = window.open(href,"piece",prefs);
	spawnWindow.focus();
}