window.onload = function() {     
    setContentFooterBoxHeights();   
}
function setContentFooterBoxHeights(){
    var arrElements = getElementsByClassName(document.getElementById('content-footer'),'div','boxHeight');
   
        if(arrElements!=null){
        var height = 0; 
        for(i=0; i<arrElements.length; i++){
            if(arrElements[i].offsetHeight >height){
                height=arrElements[i].offsetHeight ;
            }
        }
        for(i=0; i<arrElements.length; i++){
            arrElements[i].style.height = height + "px";
        }    
    }
}
function getElementsByClassName(oElm, strTagName, strClassName){
    if(oElm!=null){
	    var arrElements = (strTagName == "*" && oElm.all)? oElm.all : oElm.getElementsByTagName(strTagName);
	    var arrReturnElements = new Array();
	    strClassName = strClassName.replace(/\-/g, "\\-");
	    var oRegExp = new RegExp("(^|\\s)" + strClassName + "(\\s|$)");
	    var oElement;
	    for(var i=0; i<arrElements.length; i++){
		    oElement = arrElements[i];
		    if(oRegExp.test(oElement.className)){
			    arrReturnElements.push(oElement);
		    }
	    }
	    return (arrReturnElements)
	}
	return null;
}