$(document).ready(function(){
	var SUB_MENU_MIN_HEIGHT = 540;
	var MIN_HEIGHT_TRIGGER = 100; 
			
	var height = SUB_MENU_MIN_HEIGHT;
	var heightMiddle = $(".middleContent").height();
	var heightRight = $(".rightContent").height();
			
	if( heightMiddle >= MIN_HEIGHT_TRIGGER ){
		var height = heightMiddle;
	} else if( heightRight >= MIN_HEIGHT_TRIGGER ){
		var height = heightRight;
	}
			
	if( typeof(spearheadsHeight) != "undefined" ){
		height = height-spearheadsHeight;
	}
			
	$(".subMenu").css("height", height - 50+'px');
});