function getObj(name) {
	if (document.getElementById) {
		if(document.getElementById(name)) {
			this.obj = document.getElementById(name);
			this.style = document.getElementById(name).style;
		}
	}
	else if (document.all) {
		if(document.all[name]) {
			this.obj = document.all[name];
			this.style = document.all[name].style;
		}
	}
	else if (document.layers) {
		if (document.layers[name]) {
			this.obj = document.layers[name];
			this.style = document.layers[name];
		}
	}
}

function columnMatch(column_1, column_2, column_3) {
	oCol_1 = new getObj(column_1);
	oCol_2 = new getObj(column_2);
	oCol_3 = new getObj(column_3);
	
	if( !oCol_1 || !oCol_2 || !oCol_3 ) { return; }
	if( !oCol_1.obj || !oCol_2.obj || !oCol_3.obj ) { return; }
	
	iHeight_1 = oCol_1.obj.offsetHeight;
	iHeight_2 = oCol_2.obj.offsetHeight;
	iHeight_3 = oCol_3.obj.offsetHeight;

	iNewHeight = Math.max(iHeight_1, iHeight_2, iHeight_3);
	oCol_1.obj.style.height = iNewHeight + 'px';
	/*
	oCol_2.obj.style.height = (iNewHeight + 20) + 'px';
	*/
	oCol_2.obj.style.height = iNewHeight + 'px';
	oCol_3.obj.style.height = iNewHeight + 'px';
}