// JavaScript Document
function showDivs(){
	var mask;
	var photo;
	mask = document.getElementById('mask');
	mask.style.visibility = 'visible';
	mask.style.height='100%';
	mask.style.width='100%';
	photo = document.getElementById('photo');
	photo.style.visibility = 'visible';
}

function hideDivs(){
	document.getElementById('photo').style.visibility='hidden';
	document.getElementById('mask').style.visibility='hidden';
}

function positionDiv(width, height){
	var div;
	div = document.getElementById('photo');
	if(width >= document.body.clientWidth){
		div.style.left = "0px";
	}
	else{
		div.style.left = ((document.body.clientWidth - width - 20)/2) + "px";
	}
	if((height + 80) >= document.body.clientHeight){
		div.style.top = "0px";
	}
	else{
		div.style.top= ((document.body.clientHeight - height -80)/2) + "px";
	}
	document.getElementById("photo_frame_table").style.width=width+'px';
}