<!--

// function switchDiv()
//  this function takes the id of a div
//  and calls the other functions required
//  to show that div
//
function switchDiv(div_id)
{
  var style_sheet = getStyleObject(div_id);
  if (style_sheet)
  {
    hideAll();
    changeObjectVisibility(div_id,"block");
  }
  else 
  {
    alert("sorry, this only works in browsers that do Dynamic HTML");
  }
}

// function hideAll()
//  hides a bunch of divs
//
function hideAll()
{
   changeObjectVisibility("info_edu","none");
   changeObjectVisibility("info_org","none");
   changeObjectVisibility("info_pub","none");
}
function hideStart()
{
   changeObjectVisibility("info_org","none");
   changeObjectVisibility("info_pub","none");
}
// function getStyleObject(string) -> returns style object
//  given a string containing the id of an object
//  the function returns the stylesheet of that object
//  or false if it can't find a stylesheet.  Handles
//  cross-browser compatibility issues.
//
function getStyleObject(objectId) {
  // checkW3C DOM, then MSIE 4, then NN 4.
  //
  if(document.getElementById && document.getElementById(objectId)) {
	return document.getElementById(objectId).style;
   }
   else if (document.all && document.all(objectId)) {  
	return document.all(objectId).style;
   } 
   else if (document.layers && document.layers[objectId]) { 
	return document.layers[objectId];
   } else {
	return false;
   }
}

function changeObjectVisibility(objectId, newVisibility) {
    // first get a reference to the cross-browser style object 
    // and make sure the object exists
    var styleObject = getStyleObject(objectId);
    if(styleObject) {
	styleObject.display = newVisibility;
	return true;
    } else {
	// we couldn't find the object, so we can't change its visibility
	return false;
    }
}
//This is bad code. Really bad. Don't say I didn't warn ya...
function switchTab(objectId,classNm) {
	if(document.getElementById && document.createTextNode)
		{
			if(document.getElementById(objectId))
			{
				hideTab();
				document.getElementById(objectId).className=classNm;
			}
		}
}
function hideTab() {
	//random comment
	if(document.getElementById('educ')){
			document.getElementById('educ').className='basic';
			}
	if(document.getElementById('prof')){
			document.getElementById('prof').className='basic';
			}
	if(document.getElementById('rese')){
			document.getElementById('rese').className='basic';
			}
}
// -->