jQuery.fn.equalHeights=function() {
var maxHeight=0;
this.each(function(){
 if (this.offsetHeight>maxHeight) {maxHeight=this.offsetHeight;}
});
this.each(function(){
 $(this).height(maxHeight + "px");
 if (this.offsetHeight>maxHeight) {
  $(this).height((maxHeight-(this.offsetHeight-maxHeight))+"px");
 }
});
};