// JavaScript Document
function goto(adres){
window.location = adres;
}


function isEmpty(str)
{
	var ie = document.all;
	str = stripSpaces(str);
	
	if (ie) {
		if(str=="") return true;
		var re = /(\S+)/gi;
		var t = re.test(str); 
		return !t;
	} else {
		if(str=="")	 return true;
		return false;
	}
}

function isEmail(str)
{
	var tmp = str + "";
	if(tmp!="")
	{		
		var exclude=/[^@\-\.\[A-Za-z0-9]]|^[_@\.\-]|[\._\-]{2}|[@\.]{2}|(@)[^@]*\1/;				
		var check=/@[\w\-]+\./;
		var checkend=/\.[a-zA-Z]{2,3}$/;

		if(((tmp.search(exclude) != -1)||(tmp.search(check)) == -1)||(tmp.search(checkend) == -1))
			return false;	
	}
	return true;	
}

function isDate(year,month,day) {
	var date = new Date(year,month-1,day);		
	var y = date.getFullYear();
	var m = date.getMonth();
	var d = date.getDate();
		
	m++;	
	if(month.length==2 && month.substr(0,1)=="0")
		m = "0" + m;

	if(day.length==2 && day.substr(0,1)=="0")
		d = "0" + d;

	if(year+" "+month+" "+day != y +" "+ m +" "+ d)
		return false;
	else	
		return true;
}

function isClean(str,type) {
	if 		(type == 1) { var iChars = "!@#$%^&*()+=-[]\\\';,./{}|\":<>? "; }
	else if (type == 2) { var iChars = "!@#$%^&*()+=-[]\\\';,./{}|\":<>?";  }
	
	for (var i = 0; i < str.length; i++) {
		if (iChars.indexOf(str.charAt(i)) != -1) { return false; }
	}
	return true;
}

function isNumeric(str) {
   var ValidChars = "0123456789";
   var IsNumber=true;
   var Char;

   for (i = 0; i < str.length && IsNumber == true; i++) { 
      Char = str.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) {
         IsNumber = false;
      }
   }
   return IsNumber;
}



function stripSpaces(x) {
    while (x.substring(0,1) == ' ') x = x.substring(1);
    while (x.substring(x.length-1,x.length) == ' ') x = x.substring(0,x.length-1);
    return x;
}

function validate(FORM,ACTION) {
	var oForm = document.forms[FORM];
	oForm.ACTION.value = ACTION;
	oForm.action = "contact.php";
	if		(ACTION == 'ADD')	{
			if	(isEmpty(oForm.name.value)) { alert('Please provide a name!'); oForm.name.focus(); 
			}
			else if (isEmpty(oForm.phone.value)){alert('Please provide a phone number!'); oForm.phone.focus();}			
			else if (!isNumeric(oForm.phone.value)){alert('A phone number must consist of numbers ONLY'); oForm.phone.focus();}
			else if (isEmpty(oForm.email.value)){alert('Please provide an email address!'); oForm.email.focus();}
			else if (!isEmail(oForm.email.value)){alert('Provided email is not correct!'); oForm.email.focus();}			
			else {oForm.submit();}  
	}
	else if	(ACTION == 'cancel')	{
			oForm.submit(); 
	}
}