if(window.addEventListener) {
	window.addEventListener('load', verticalAlign, false);
} else if(window.attachEvent){
	window.attachEvent('onload', verticalAlign);
} else {
	window.onload = verticalAlign;
}

function verticalAlign(){
	for (i = 0; i < document.getElementsByTagName('img').length; i++){
		if(document.getElementsByTagName('img')[i].className == 'thumb'){
			height = document.getElementsByTagName('img')[i].height;
			imageSize = 86;
			
			document.getElementsByTagName('img')[i].style.paddingTop = Math.floor((imageSize - height) * 0.5) + 'px';
			document.getElementsByTagName('img')[i].style.visibility = "visible";
		}
	}
}