function setColumnHeights(){
	if (document.getElementById("leftcolHeight") && document.getElementById("rightcolHeight")) {
		primaryCol = document.getElementById("leftcolHeight");
		secondaryCol = document.getElementById("rightcolHeight");
		if (primaryCol.offsetHeight > secondaryCol.offsetHeight) {
			secondaryCol.style.height=primaryCol.offsetHeight-10 + "px";
		} else if (secondaryCol.offsetHeight > primaryCol.offsetHeight) {
			primaryCol.style.height=secondaryCol.offsetHeight-10 + "px";
		} 
	}
}

if (window.attachEvent) {	
	window.attachEvent("onload", setColumnHeights);
	window.attachEvent("onresize", setColumnHeights);
} else if (window.addEventListener){
	window.addEventListener("load", setColumnHeights, false); 
	window.addEventListener("resize", setColumnHeights, false); 
} else if (document.addEventListener){ 
	document.addEventListener('load', setColumnHeights, false);
	document.addEventListener('resize', setColumnHeights, false);
}