function LoginUser() {
//alert("kot");
	var form = document.formLogin;
	
	document.formLogin.action = "https://www.vodafone.al/vodafone/EBill/ebill.php"

	var username = form.username.value;
	var password = form.password.value;
	var page     = form.page.value;
	
	if (username == '' || password == '') {
	   		alert(_fill_required_data);
		 	return;
	 } else {
	 
		if (!isVodafoneNumber(document.formLogin.username, 'Username')) {
			alert(_right_format_number);
			document.formLogin.username.focus();
			return;
		}
		
		if (!isStrongPassword(document.formLogin.password, 'Password')) {
			alert(_right_password);
			document.formLogin.password.focus();
			return;
		}
	document.formLogin.submit();
	}
	return true;
	
}

function isVodafoneNumber(theElement, theElementName) {
    
    var s = theElement.value;
	var number_filter=/^069[0-9]{7}$/;
	
    if (number_filter.test(s))  
			return true;

      return false;
}

function isStrongPassword(theElement, theElementName) {
    
    var s = theElement.value;
	var pass_filter=/^.*(?=.{6,})(?=.*\d)(?=.*[a-zA-Z]).*$/;
	
    if (pass_filter.test(s))  
			return true;

      return false;
}


function isEmailAddress(theElement, theElementName) {
    
    var s = theElement.value;
	var email_filter=/^[A-Za-z][\.\w-]+@[A-Za-z0-9][\.\w-]+\.[A-za-z]+$/;
    if (email_filter.test(s))  
			return true;

      return false;
}


function reg_exp(fild_value, string_validim) 
   {
	if (string_validim.length > 1) 
	   {
	    for(var i=0; i<string_validim.length; i++) 
	       {
	       if (string_validim[i]=='/\'/g')
	       fild_value=fild_value.replace(string_validim[i], "\'");
	       else
	       fild_value=fild_value.replace(string_validim[i], "");
	       }
	    }
	return fild_value;
 }
 
 function resetField(obj,str){
 	if(obj.value.length==0){
 		obj.value=str;
 		return;
 	}
 	if(obj.value==str){
 		obj.value="";
 	}
 }