function resize(id)
{
	var d = document.getElementById(id);
	var imgname = id.replace("project", "ExpandImg");
	var i = document.getElementById(imgname);
	if (d.className.indexOf("hidden_project") > -1)
	{
		d.className = "project";
		i.src = "imgs/icons/expand_plus.jpg";
	}
	else
	{
		d.className += " hidden_project";
		i.src = "imgs/icons/expand_minus.jpg";
	}
}

function matchStrings(str1, str2)
{
    return(str1 == str2);
}

function pickImages(){
	
var imgs = ["imgs/question1.gif","imgs/question2.gif","imgs/question3.gif","imgs/question4.gif"];
var rand = Math.floor(Math.random()*imgs.length);
//document.question.src = imgs[rand];
document.getElementById("question").src = imgs[rand];
document.getElementById("answerLink").href = "question" + (rand+1) + ".aspx";
}