var imageName
var orientation

function showLargeImage(imageName, orientation) {
document.getElementById("lgimg").src="images/" + imageName;
if (orientation == "h"){
document.getElementById("lgimg").width=600;
document.getElementById("lgimgbox").style.marginLeft="-310px";
}
else{
document.getElementById("lgimg").width=400;
document.getElementById("lgimgbox").style.marginLeft="-210px";
}
document.getElementById("lgimgbkg").style.display="block";
document.getElementById("lgimgbox").style.display="block";
document.getElementById("close").style.display="block";
}

function hideLargeImage() {
document.getElementById("lgimgbkg").style.display="none";
document.getElementById("lgimgbox").style.display="none";
}