window.onload = function() {
	var o          = 30 * 2;
	var lft        = document.getElementById('leftColumn')
	var rgt        = document.getElementById('rightColumn')
	var lft_height = lft.offsetHeight;
	var rgt_height = rgt.offsetHeight;
	
	// alert(lft_height + " : " + rgt_height);
	
	if (lft_height > rgt_height) {
		rgt.style.height = (lft_height - o) + "px";
	}
	else {
		lft.style.height = (rgt_height - o) + "px";
	}
	
	
}


function setCookie(c_name, value, expiredays) {
	var exdate = new Date();
	exdate.setDate(exdate.getDate() + expiredays);
	document.cookie = c_name + "=" + escape(value) + ((expiredays==null)? "" : ";expires=" + exdate.toGMTString());
}

function getCookie(c_name) {
	if (document.cookie.length > 0) {
		c_start=document.cookie.indexOf(c_name + "=");
		if (c_start!=-1) {
			c_start=c_start + c_name.length+1;
			c_end=document.cookie.indexOf(";",c_start);
			if (c_end==-1) {
				c_end=document.cookie.length;
			}
			return unescape(document.cookie.substring(c_start,c_end));
		}
	}
	
	return "";
}