function arrow_show_hide (x, y) {
			// x = item #
		// y = number of sub-items
		var i=1; // i = counter
		for (i=1; i<y+1; i++) {
				if (document.getElementById('item'+[x]+'_'+[i]).style.display=="block") {
					// alert('item'+[x]+'_'+[i]+'='+document.getElementById('item'+[x]+'_'+[i]).style.display);
				// alert(i);
				document.getElementById('item'+[x]+'_'+[i]).style.display="none";
			} else {
					// alert('item'+[x]+'_'+[i]+'='+document.getElementById('item'+[x]+'_'+[i]).style.display);
				document.getElementById('item'+[x]+'_'+[i]).style.display="block";
			}
		}
	}

	function MM_reloadPage(init) {  //reloads the window if Nav4 resized
	  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
		    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
	  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
	}
	MM_reloadPage(true);

	function MM_jumpMenu(targ,selObj,restore){ //v3.0
	  eval(targ+".location='"+selObj.options[selObj.selectedIndex].value+"'");
	  if (restore) selObj.selectedIndex=0;
	}