function IsMail(YourMail)
{
	var Template = /^[a-z][a-z-_0-9.]+@[a-z-_=>0-9.]+.[a-z]{2,3}$/i //Formato de direccion de correo electronico
	
	if(YourMail.value!="") 
	{
		if (Template.test(YourMail.value)) 
		{							}
		else
		{   alert("The email that has entered has invalid characteres");
			YourMail.focus();
			YourMail.select();
		}		
	}
	return false;
}

function IsDni(YourDni)
{
	var Template = /^[0-9]+$/i //Formato de direccion de correo electronico
	
	if(YourDni.value!="") 
	{
		if (Template.test(YourDni.value)) 
		{							}
		else
		{   alert("The DNI that has entered has invalid characteres");
			YourDni.select();			
			YourDni.focus();
			return false;
		}		

		if (YourDni.value.length==8) 
		{							}
		else
		{   alert("It must enter the 8 digitos of the DNI");
			YourDni.focus();
			YourDni.select();
			return false;
		}		
		
	}	
}

function IsPhone(YourPhone)
{
	var Template = /^[0-9- ]+$/i //Formato de alfanumerico
	
	if(YourPhone.value!="") 
	{
		if (Template.test(YourPhone.value)) 
		{							}
		else
		{   alert("The Phone that has entered has invalid characteres");
			YourPhone.focus();
			YourPhone.select();
		}		
	}
	return false;
}

function IsTexto(texto)
{
	var Template = /^[a-zA-Z ]+$/i //Formato de alfanumerico
		if(texto.value!="") 
	{
		if (Template.test(texto.value)) 
		{							}
		else
		{   alert("The name that has entered has invalid characteres");
			texto.focus();
			texto.select();
		}		
	}		
	return false;
}