function portfolioWindow() {

var portfolioLink = document.getElementById("portfolio-link");

var screenHeight = screen.height;
var screenWidth = Math.floor(screenHeight * 1.54);

function openPortfolio() {
open("http://jonnylindh.com/portfolio.html","","width=" + screenWidth + ",height=" + screenHeight + ",toolbar=no,menubar=no,directories=no,location=no,statusbar=no,left=0,top=0");
return false;
}

portfolioLink.onclick = openPortfolio;

}

window.onload = portfolioWindow;