var fixHeight = function() {
	var leftObj = document.getElementById("SUBCONTENT");
	var leftObjBox1 = document.getElementById("INQUIRY");
	var leftObjBox2 = document.getElementById("LEFT-MENU");
	var rightObj = document.getElementById("CONTENT");
	if(leftObj.clientHeight<rightObj.clientHeight){
		leftObjBox2.style.height = rightObj.clientHeight - leftObjBox1.clientHeight - 20 + "px";
	}
};

if(window.addEventListener) {
    window.addEventListener('load', fixHeight, false);
} else if(window.attachEvent) {
    window.attachEvent('onload', fixHeight);
}