function login() { 
	if(document.getElementById("error_messa")){
		document.getElementById("error_messa").className = "hide";
	}
	$a= document.fli.elements["username"].value;
	$b= document.fli.elements["password"].value;
	if(($a=='') || ($b=='')){
		document.getElementById("form_note").className = "show";
		document.documentElement.scrollTop=0;
		return false;
	}
	else{
		document.getElementById("form_note").className = "hide";
		return true;
	}
}

function basic() {
	if(document.getElementById("error_messa")){
		document.getElementById("error_messa").className = "hide";
	}
	$a= document.fbi.elements["title"].value;
	$b= document.fbi.elements["author"].value;
	$c= document.fbi.elements["email"].value;
	if(($a=='') || ($b=='') || ($c=='')){
		document.getElementById("form_note").className = "show";
		document.documentElement.scrollTop=0;
		return false;
	}
	else{
		document.getElementById("form_note").className = "hide";
	}
	/*
	$d= document.fbi.elements["abstract"].value;
	if($d.length > 500){
		document.getElementById("form_note2").className = "show";
		document.documentElement.scrollTop=0;
		return false;
	}
	else{
		document.getElementById("form_note2").className = "hide";
	}
	*/
	document.getElementById("form_note").className = "hide";
	document.getElementById("form_note2").className = "hide";
	return true;
}

function authorno(){
	$x= document.fai.elements["authornos"].selectedIndex;
	$no=document.getElementsByTagName("option")[$x].value;
	for ($i=1;$i<=20;$i++){
		if ($i<=$no){
			document.getElementById($i).className = "show";
		}
		else {
			document.getElementById($i).className = "hide";
		}
	}
}

function author() { 
	if(document.getElementById("error_messa")){
		document.getElementById("error_messa").className = "hide";
	}
	$no=1;
	$x= document.fai.elements["authornos"].selectedIndex;
	$no=document.getElementsByTagName("option")[$x].value;
	for ($i=1;$i<=$no;$i++){
		$a= document.getElementById("fname"+$i).value;
		$b= document.getElementById("lname"+$i).value;
		$c= document.getElementById("email"+$i).value;
		if (($a=='') || ($b=='') || ($c=='')){
			document.getElementById("form_note").className = "show";
			document.documentElement.scrollTop=0;
			return false;
		}
	}
	document.getElementById("form_note").className = "hide";
	return true;
}

function reviewer() { 
	if(document.getElementById("error_messa")){
		document.getElementById("error_messa").className = "hide";
	}
	for ($i=1;$i<=10;$i++){
		$a= document.getElementById("fname"+$i).value;
		$b= document.getElementById("lname"+$i).value;
		$c= document.getElementById("email"+$i).value;
		if (((($a=='') && ($b=='') && ($c=='')) || (($a!='') && ($b!='') && ($c!=''))) == false){
			document.getElementById("form_note").className = "show";
			document.documentElement.scrollTop=0;
			return false;
		}
	}
	document.getElementById("form_note").className = "hide";
	return true;
}

function upfile() { 
	if(document.getElementById("error_messa")){
		document.getElementById("error_messa").className = "hide";
	}
	$a= document.ff.elements["paperfile"].value;
	if ($a==''){
		document.getElementById("form_note").className = "show";
		document.documentElement.scrollTop=0;
		return false;
	}
	else{
		document.ff.elements["paperfile"].className = "hide";
		document.getElementById("loading").className = "show";
		return true;
	}
}

function fsearch_h(){
	$a= document.fse.elements["keyword"].value;
	if($a==''){
		document.fse.elements["keyword"].focus();
		return false;
	}
	else{
		return true;
	}	
}

function fsearch() {
	if(document.getElementById("error_messa")){
		document.getElementById("error_messa").className = "hide";
	}
	$a= document.fse.elements["title"].value;
	$b= document.fse.elements["authors"].value;
	$c= document.fse.elements["abstract"].value;
	$d= document.fse.elements["keyword"].value;
	//$e= document.fse.elements["category[]"].value;
	//$f= document.fse.elements["other"].value;
	if(($a=='') && ($b=='') && ($c=='') && ($d=='')){
		document.getElementById("form_note").className = "show";
		document.documentElement.scrollTop=0;
		return false;
	}
	else{
		document.getElementById("form_note").className = "hide";
		return true;
	}	
}