function setHeight ()
{

	var cDiv = document.getElementById('leftcol');
	var pElement = document.getElementById('contentarea');

	/*    Get the height of the content  div ro set the lenfth of the left column     */
	
	cDiv.style.height = (pElement.offsetHeight - 155 )+ 'px';	 // subtract the height of the header.
	//alert("content area height: " + pElement.offsetHeight);

}