window.onload = function() {
   // check to see that the browser supports the getElementsByTagName method
   // if not, exit the loop
   if (!document.getElementsByTagName) {
      return false;
   }
   // create an array of objects of each link in the document
   var popuplinks = document.getElementsByTagName("a");
   // loop through each of these links (anchor tags)    
   for (var i=0; i < popuplinks.length; i++) {   
      // if the link has a class of "popup"...   
      if (popuplinks[i].getAttribute("class") == "popup") {   
         // add an onclick event on the fly to pass the href attribute   
         // of the link to our second function, openPopUp    
         popuplinks[i].onclick = function() {   
         openPopUp(this.getAttribute("href"));   
         return false;    
         }    
      if (popuplinks[i].getAttribute("class") == "projectTtl") {
		 // add an onclick event on the fly to open a new browser window
	     popuplinks[i].onclick = function() {
	     window.open(this.getAttribute("href"));
	     return false;
	   }

	  }
   }
}

function openPopUp(linkURL) {
   window.open(linkURL,'popup','width=900,height=800')
}