function changePic(el) 
{

	el.src="assets/various/callOut-O.jpg";

	var n=0;
	var div_to_show = -1;
	var pic;
	while( pic=document.getElementById('callout_img_'+n))
	{
		if(pic.id == el.id)
			div_to_show = n;
		if(pic.id != el.id)
			pic.src="assets/various/callOut.jpg";
		n++;
	}

	n=-1;

	while( div=document.getElementById('tech_'+n))
	{
		if(n == div_to_show)
			div.style.display="block";
		else
			div.style.display="none";
		n++;
	}
	return false;
}

window.onload=function() 
{
	n=0;
	var pic;
	while( pic=document.getElementById('callout_img_'+n))
	{
		if(n==0)
			pic.src="assets/various/callOut-O.jpg";
		else
			pic.src="assets/various/callOut.jpg";
		pic.onmouseover=function(){changePic(this);}
		n++;
	}
	
}