function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}

//display current year for copyright notification
function getCurrentYear(){
	var now = new Date;
	var yearDisplayElem = document.getElementById('currentYear');
	var currentYear = document.createTextNode(now.getFullYear());
	yearDisplayElem.appendChild(currentYear);
}

/* 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"; 
    } 
}

addLoadEvent(getCurrentYear);
addLoadEvent(matchColumns);