// contact
function trimString (str)
{
  	return str.replace(/^s+/g, '').replace(/s+$/g, '');
}

function er(id,did,sms){
      	var elem = document.getElementById(id);
		
        if(trimString(elem.value) == "")
		{
            elem.className = 'skipped';
            document.getElementById(did).innerHTML = sms;			
        }
		else
		{
            elem.className = 'noclass';  
			document.getElementById(did).innerHTML = '<img src=images/c.gif>';
        }		
}

function erm(id,did){	
      
		var reEmail = /^[\w-]+(\.[\w-]+)*@([\w-]+\.)+[a-zA-Z]{2,7}$/;
		var elem = document.getElementById(id);
		
        if(trimString(elem.value) == "")
		{
            elem.className = 'skipped';
            document.getElementById(did).innerHTML = '<br><img src=images/dt.gif> Vui l&ograve;ng nh&#7853;p e-mail !';
        }
		else if(!trimString(elem.value).match(reEmail))
		{
			elem.className = 'skipped';
			document.getElementById(did).innerHTML = '<br><img src=images/dt.gif> V&iacute; d&#7909; e-mail: eidoan@yahoo.com !';
		}			
		else
		{
			elem.className = 'noclass';  
			document.getElementById(did).innerHTML = '<img src=images/c.gif>';
		}	
		
}
function sm(a,b,c,d,e)
{
		var reEmail = /^[\w-]+(\.[\w-]+)*@([\w-]+\.)+[a-zA-Z]{2,7}$/;
		var elem = document.getElementById('email');
		
		var result="a="+a+"&b="+b+"&c="+c+"&d="+d+"&e="+e;	
		var jax = new Ajax();
		if(a=='')
		{
			er('fullname','fullname_container','<br><img src=images/dt.gif align=absmiddle> Vui l&ograve;ng nh&#7853;p h&#7885; v&agrave; t&ecirc;n !');
		}
		else if(!trimString(c).match(reEmail))
		{
			elem.className = 'skipped';
			document.getElementById('email_').innerHTML = '<br><img src=images/dt.gif> Email c&#7911;a b&#7841;n ch&#432;a h&#7907;p l&#7879; !';
		}	
		else if(e=='')
		{
			er('mess','mess_container','<br><img src=images/dt.gif align=absmiddle> Vui l&ograve;ng nh&#7853;p n&#7897;i dung !');
		}
		else
		{
			document.getElementById('send').disabled=true
			var hienthi=document.getElementById('sending')
			//hienthi.innerHTML="<img src=images/cmail.gif align=absmiddle>"
			hienthi.innerHTML="<img src=images/indicator_blue.gif align=absmiddle> &#272; a n g &nbsp; g &#7917; i ..."
			jax.onreadystatechange = function(){
				if(jax.readyState == 4){
					if (jax.status==200){			
							
							var html=jax.responseText
							hienthi.innerHTML=html							
					}
				 }
			}
			var url="_check.php"
			jax.open("POST",url,true);
			jax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
			jax.send(result)  
		}
}
function ask(a,b)
{
		var reEmail = /^[\w-]+(\.[\w-]+)*@([\w-]+\.)+[a-zA-Z]{2,7}$/;
		var elem = document.getElementById('email');
		
		var result="f="+a+"&ask="+b;	
		var jax = new Ajax();
		
		if(a=='')
		{
			erm('email','email_');
		}
		else if(!trimString(a).match(reEmail))
		{
			elem.className = 'skipped';
			document.getElementById('email_').innerHTML = '<br><img src=images/dt.gif> Email c&#7911;a b&#7841;n ch&#432;a h&#7907;p l&#7879; !';
		}	
		else if(b=='')
		{
			er('mess','mess_container','<br><img src=images/dt.gif align=absmiddle> Vui l&ograve;ng nh&#7853;p n&#7897;i dung c&acirc;u h&#7887;i !');
		}
		else
		{
			document.getElementById('send').disabled=true
			var hienthi=document.getElementById('sending')
			hienthi.innerHTML="<img src=images/indicator_blue.gif align=absmiddle> &#272; a n g &nbsp; g &#7917; i ..."
			jax.onreadystatechange = function(){
				if(jax.readyState == 4){
					if (jax.status==200){			
							
							var html=jax.responseText
							hienthi.innerHTML=html							
					}
				 }
			}
			var url="_check.php"
			jax.open("POST",url,true);
			jax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
			jax.send(result)  
		}
}

function booking(a,b,c,d,e,f,g,h,i,j,k,l)
{
		var reEmail = /^[\w-]+(\.[\w-]+)*@([\w-]+\.)+[a-zA-Z]{2,7}$/;
		var elem = document.getElementById('mail');
		
		var result="aa="+encodeURI(a)+"&ba="+encodeURI(b)+"&ca="+encodeURI(c)+"&da="+encodeURI(d)+"&ea="+encodeURI(e)+"&fa="+encodeURI(f)+"&ga="+encodeURI(g)+"&ha="+encodeURI(h)+"&ia="+encodeURI(i)+"&ja="+encodeURI(j)+"&ka="+encodeURI(k)+"&la="+encodeURI(l);	
		var jax = new Ajax();
		if(a=='')
		{
			er('fullname','fullname_container','<br><img src=images/warning.gif align=absmiddle> Vui l&ograve;ng nh&#7853;p h&#7885; v&agrave; t&ecirc;n !');
		}
		else if(e=='')
		{
			er('tinh','tinh_container','<br><img src=images/warning.gif align=absmiddle> Nh&#7853;p t&#7881;nh / th&agrave;nh ph&#7889; !');
		}
		else if(f=='')
		{
			er('truongcu','truongcu_container','<br><img src=images/warning.gif align=absmiddle> Nh&#7853;p tr&#432;&#7901;ng c&#361; &#273;&atilde; h&#7885;c !');
		}
		else if(g=='')
		{
			er('lop','lop_container','<br><img src=images/warning.gif align=absmiddle> Nh&#7853;p l&#7899;p &#273;ang / &#273;&atilde; h&#7885;c !');
		}
		else if(j=='')
		{
			er('lienhe','lienhe_container','<br><img src=images/warning.gif align=absmiddle> Nh&#7853;p t&ecirc;n ng&#432;&#7901;i li&ecirc;n h&#7879; !');
		}
		else if(k=='')
		{
			er('phone','phone_container','<br><img src=images/warning.gif align=absmiddle> Nh&#7853;p &#273;i&#7879;n tho&#7841;i &#273;&#7875; ch&uacute;ng t&ocirc;i li&ecirc;n l&#7841;c !');
		}
		else if(l=='')
		{
			er('mail','mail_container','<br><img src=images/warning.gif align=absmiddle> Nh&#7853;p email li&ecirc;n h&#7879; !');
		}
		else if(!trimString(l).match(reEmail))
		{
			elem.className = 'skipped';
			document.getElementById('mail_container').innerHTML = '<br><img src=images/warning.gif> Email c&#7911;a b&#7841;n ch&#432;a h&#7907;p l&#7879; !';
		}
		else
		{
			document.getElementById('send').disabled=true
			var hienthi=document.getElementById('sending')
			
			hienthi.innerHTML="<img src=images/indicator_blue.gif align=absmiddle style='padding-right:5px;'> &#272;ang g&#7917;i th&ocirc;ng tin ..."
			jax.onreadystatechange = function(){
				if(jax.readyState == 4){
					if (jax.status==200){			
							
							var html=jax.responseText
							hienthi.innerHTML=html							
					}
				 }
			}
			var url="_check.php"
			jax.open("POST",url,true);
			jax.setRequestHeader("Content-Type", "application/x-www-form-urlencoded");
			jax.send(result)  
		}
}


function hs()
{
}