// JavaScript Document

/*
Derived from a script by Alejandro Gervasio.
Modified to work in FireFox by Stefan Mischook for Killersites.com

How it works: just apply the CSS class of 'column' to your pages' main columns.
*/
matchColumns=function(){

     var divs,contDivs,maxHeight,divHeight,d;
    
     // get all <div> elements in the document

     divs=document.getElementsByTagName('div');

     contDivs=[];

     // initialize maximum height value

     maxHeight=0;

     // iterate over all <div> elements in the document

     for(var i=0;i<divs.length;i++){

          // make collection with <div> elements with class attribute 'container'

          if(/\bcolumn\b/.test(divs[i].className)){

                d=divs[i];

                contDivs[ contDivs.length]=d;

                // determine height for <div> element

                if(d.offsetHeight){

                     divHeight=d.offsetHeight;                     

                }

                else if(d.style.pixelHeight){

                     divHeight=d.style.pixelHeight;                    

                }

                // calculate maximum height

                maxHeight= Math.max(maxHeight,divHeight);

          }

     }

     // assign maximum height value to all of container <div> elements

     for(var i=0;i<contDivs.length;i++){

          contDivs[i].style.height=maxHeight + "px";

     }

}

// Runs the script when page loads

window.onload=function(){

     if(document.getElementsByTagName){

          matchColumns();            

     }

}