window.onload = function() 
{
    var largestColumn = 0;
	var columns = [document.getElementById('divContent'),document.getElementById('divLeft'),document.getElementById('divRight')];
	
	// 
	// Get the largest height from the column list
	//
	for (index = 0; index < columns.length; index++)
	{
	    if (columns[index] != null)
	    {
	        if (largestColumn < columns[index].offsetHeight)
	        {
	            largestColumn = columns[index].offsetHeight;
	        }
	    }
	}
	
	// 
	// Apply the largest height to all columns
	//
	for (index = 0; index < columns.length; index++)
	{
	    if (columns[index] != null)
	    {
	        columns[index].style.height = largestColumn +'px';
	    }
	}
}