// JavaScript Document

function SetOpacity(elem, opacityAsInt)
{
	var opacityAsDecimal = opacityAsInt;
	
	if (opacityAsInt > 100)
		opacityAsInt = opacityAsDecimal = 100; 
	else if (opacityAsInt < 0)
		opacityAsInt = opacityAsDecimal = 0; 
	
	opacityAsDecimal /= 100;
	if (opacityAsInt < 1)
		opacityAsInt = 1; // IE7 bug, text smoothing cuts out if 0
	
	elem.style.opacity = opacityAsDecimal;
	elem.style.filter  = "alpha(opacity=" + opacityAsInt + ")";
}

function FadeOpacity(elemId, fromOpacity, toOpacity, time, fps)
{
	var steps = Math.ceil(fps * (time / 1000));
	var delta = (toOpacity - fromOpacity) / steps;
	
	FadeOpacityStep(elemId, 0, steps, fromOpacity, delta, (time / steps));
}

function FadeOpacityStep(elemId, stepNum, steps, fromOpacity, delta, timePerStep)
{
    SetOpacity(document.getElementById(elemId), Math.round(parseInt(fromOpacity) + (delta * stepNum)));

    if (stepNum < steps)
	        setTimeout("FadeOpacityStep('" + elemId + "', " + (stepNum+1) + ", " + steps + ", " + fromOpacity + ", " + delta + ", " + timePerStep + ");", timePerStep);
}

var getElemsByRel = function(rel){
    aElements = document.getElementsByTagName("a");
    relElems = [];
    for (i = 0; i < aElements.length; i++) {
        if (aElements[i].hasAttribute("rel") && aElements[i].rel == rel) {
            relElems.append(aElements[i]);
        }
    }
	return relElems;
}

function OPload(){
	var blogStart = Math.round(((window.innerWidth-20)/320));
	var blogWidth = (blogStart-1)*320;
	document.getElementById('posts').style.width=blogWidth+"px";
}

function OP(){
	FadeOpacity('imgOP',50,100,100,100);
	}
	
function OPout(){
	FadeOpacity('imgOP',100,50,100,100);
}

<!--
function popitup(url) {
	newwindow=window.open(url,'name','height=500,width=400');
	if (window.focus) {newwindow.focus()}
	return false;
	
											   
}