function nextbox2(fldobj,nbox) { 
			if (/\D/.test(fldobj.value)) {
			alert ("Only numbers are valid!");
			fldobj.value = fldobj.value.slice(0, -1); // remove invalid character
			return false;
			}
			if(fldobj.value.length>2) { 
				document.forms[0].elements[nbox].focus() 
			} 
		} 
		
		function nextbox3(fldobj,nbox) { 
			if (/\D/.test(fldobj.value)) {
				alert ("Only numbers are valid!");
				fldobj.value = fldobj.value.slice(0, -1); // remove invalid character
				return false;
			}
			if(fldobj.value.length>3) { 
				document.forms[0].elements[nbox].focus() 
			} 
		} 
		function wjmbookmark(BookmarkTitle, BookmarkURL) { 
			if (document.all) { 
				window.external.AddFavorite(BookmarkURL,BookmarkTitle) 
			} else { 
				window.sidebar.addPanel(BookmarkTitle, BookmarkURL, ''); 
			} 
		}