matchHeight=function()
{
	var divs,contDivs,maxHeight,divHeight,d;

	// get all <div> elements in the document
	divs=document.getElementsByTagName('div');
	contDivs=[];

	// initialize maximum height value
	maxHeight=0;

	// iterate over all <div> elements in the document

	for(var i=0;i<divs.length;i++) {
	// make collection with <div> elements with class attribute 'container'
		if(/\bleftbox\b/.test(divs[i].className) || /\bpicbox\b/.test(divs[i].className)) {
			d=divs[i];
			contDivs[contDivs.length]=d;

			// determine height for <div> element

			if(d.offsetHeight) {
				divHeight=d.offsetHeight;
			} else 
			if(d.style.pixelHeight) {
				divHeight=d.style.pixelHeight;
			}

			// calculate maximum height
			maxHeight=Math.max(maxHeight,divHeight);
		}
	}

	// assign maximum height value to all of container <div> elements
	for(var i=0;i<contDivs.length;i++) {
		contDivs[i].style.height=maxHeight;
	}
}

// execute function when page loads
<!--
window.onload=function() {
	if(document.getElementsByTagName) {
		matchHeight();
	}
}
-->