// product page functions
function compact(){
  if (!document.getElementById('spec')) return;
  showInfo('prod_descrip');
}
function showInfo(showid){
  var divs = new Array('prod_descrip', 'spec', 'template');
  for(i in divs){
    var dis = (divs[i]==showid)? "block" : "none";	
	document.getElementById(divs[i]).style.display = dis;
  }
}
function flipProdImage(showid){
  var divs = new Array('diagramblock', 'imageblock');
  for(i in divs){
    var dis = (divs[i]==showid)? "block" : "none";
	document.getElementById(divs[i]).style.display = dis;
  }
}