/* 
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)-2;
          }
     } 

     // 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();
     }
}