// JavaScript Document
function validar(form){
	var nombre=/^([A-zA-Z\s])+$/
	var tel=/^([0-9\+])+$/
	var email=/^(.+@.+..+)$/
   	var docu=document.form;
	
	//valido el First Name 		
	if(document.form.first_name.value.length==0){ 
        alert("Please write your Name") 
        document.form.first_name.focus() 
        return 0; 
	}
	if(!nombre.test(document.form.first_name.value)){
		alert("Please write only letters in the Name field")
		document.form.first_name.focus()
		return 0;
	}
	
	//valido el Last Name 		
	if(document.form.last_name.value.length==0){ 
        alert("Please write your Last Name") 
        document.form.last_name.focus() 
        return 0; 
	}
	if(!nombre.test(document.form.last_name.value)){
		alert("Please write only letters in the Last Name field")
		document.form.last_name.focus()
		return 0;
	}
	//valido el e-mail
	  if (document.form.email.value.length==0){ 
       alert("Please write your Email") 
       document.form.email.focus() 
	    return 0;
       }
	    if(!email.test(document.form.email.value)){
		alert("Please write a valid data in this field")
		document.form.email.focus()
		return 0;
	}
	//valido el telefono
	  if (document.form.phone1.value.length==0){ 
       alert("Please write your Phone Number") 
       document.form.phone1.focus() 
	    return 0;
       }
	 
	 if(!tel.test(document.form.phone1.value)){
		alert("Please write only numbers in the Day Phone field")
		document.form.phone1.focus()
		return 0;
	}
	   if (document.form.phone1.value.length<11){ 
       alert("Please write your Phone Number (8 - 11 digits)") 
       document.form.phone1.focus() 
	    return 0;
       }
	   
	   //valido el telefono
	  if (document.form.phone2.value.length==0){ 
       alert("Please write your Mobile Number") 
       document.form.phone2.focus() 
	    return 0;
       }
	    if(!tel.test(document.form.phone2.value)){
		alert("Please write only numbers in the Mobile field")
		document.form.phone2.focus()
		return 0;
	}
	   if (document.form.phone2.value.length<11){ 
       alert("Please write your Mobile Number (8 - 11 digits)") 
       document.form.phone2.focus() 
	    return 0;
       }
	   
		//el form se envia
		document.form.submit();
	
}//funcion