jQuery.fn.equalheight = function() {
jQuery(this).each(function(){
var currentTallest = 0; //create currentTallest var

//go through every child of the mother div
jQuery(this).children().each(function(i){
//keep checking every child's height and get the height of the tallest div
if (jQuery(this).height() > currentTallest) { currentTallest = jQuery(this).height(); }

});

//set currentTallest as pixels
currentTallest = currentTallest+"px";

//If browser is Microsoft Internet explorer, then use css "height: yypx"
if (jQuery.browser.msie && jQuery.browser.version == 6.0) { jQuery(this).children().css({'height': currentTallest}); }

//use css "min-height: yypx"
jQuery(this).children().css({'min-height': currentTallest});
});
return this;
};