function subWrapperHeight() {
   
    var currHeight = 0;
    var maxHeight = 0;
    pageColumns = new Array('linkList', 'content');
    
    for (i = 0; i < pageColumns.length; i++) {
        if (document.getElementById(pageColumns[i])) {
            document.getElementById(pageColumns[i]).style.height = "";
            currHeight =
document.getElementById(pageColumns[i]).offsetHeight;
            if (currHeight > maxHeight) {
                maxHeight = currHeight;
            }
        }
    }
    
    for (i = 0; i < pageColumns.length; i++) {
        if (document.getElementById(pageColumns[i])) {
            if (document.getElementById(pageColumns[i]).offsetHeight <
maxHeight) {
                document.getElementById(pageColumns[i]).style.height =
maxHeight+"px";
            }
        }
    }
}