function ValidLargeLength(item,len){
 return(item.length>=len);
 }

function ValidLessLength(item,len){
 return(item.length<=len);
 }

function ValidNewData(){
	errfound=false;
	gname=document.form1.gname;
	title=document.form1.title;

	if(!(ValidLargeLength(gname.value,1) && ValidLessLength(gname.value,50))){
		error("Please input the name");
		gname.focus();
	}else if(!(ValidLargeLength(title.value,1) && ValidLessLength(title.value,100))){
		error("Please input the title.");
		title.focus();
	}
  return !errfound;
}

function error(text){
	if(errfound) return;
	window.alert(text);
	errfound=true;
}

function openwindow(url){
	win = window.open(url,null,"height=350,width=700,top=300,left=300,resiable=yes,scrollbars=yes,status=no,toolbar=no,menubar=no,location=no");
	win.focus();
	return false;
}