Function.prototype.andThen=function(g) {
  var f=this;
  return function() {
    f();g();
  }
};






//on page load call tb_init
$(document).ready(function(){   
     //height fix 
     var leftColumns = $(".contentLeftColumn");
	 var rightColumns = $(".contentRightColumn");
	 var heightFixBoxesLeft = $(".heightFixLeft");
	 var heightFixBoxesRight = $(".heightFixRight");
	 
	 //alert(leftColumns.length+" == "+rightColumns.length+" == "+heightFixBoxesLeft.length+" == "+heightFixBoxesRight.length);
	 if(leftColumns.length == rightColumns.length) {
		for(i=0;i<leftColumns.length;i++) {
			var leftHeight = $(leftColumns[i]).height();
			var rightHeight = $(rightColumns[i]).height(); 
			var difference = leftHeight - rightHeight;
			var fixBox = null;
			if(difference < 0) { 
				if(i < heightFixBoxesLeft.length)
	 				fixBox = $(heightFixBoxesLeft[i]);
	 		}
			else {
				if(i < heightFixBoxesRight.length)
	 				fixBox = $(heightFixBoxesRight[i]);
	 		}
			if(fixBox != null)
				fixBox.height(Math.abs(difference));
		}
	 }
	if($.browser.msie && ($.browser.version == "6.0" || $.browser.version == "7.0")) {
		$(".heightFixLeft").css("margin-bottom", "0px");
		$(".heightFixRight").css("margin-bottom", "0px");
	}
	
});