function doGo(pRef,pWhere,pClass) { // called by clicking a main menu item
			//go to selected page & reset appearance to norm
			//alert("In doGo " ); // alert debug
			document.location=pWhere;  // go to linked page
			pRef.className = pClass;

		}			


		function doDsply(pID,pClass){ // handle roll- over/out display for main menu
			//alert("In doDsply "); // alert debug
			var mID = document.getElementById(pID);
			mID.className = pClass;
		}

				
		function showPopup(pRef,pWhere,pClass) { // called by clicking a small image
			//alert("In showPopup " ); // alert debug
			imgWindowRef= window.open(pWhere,"imgWindow","scrollbars=yes,width=750,height=650,resizable,menubar=0,left=100");// open popup window with an enlarged image
			classChange(pRef,pClass) // change rollover text to default class
		}			


		function classChange(pElemRef, pClass) { // called by most mouseover/out handlers
			//alert("In classChange");// debug alert
			pElemRef.className=pClass;
		}