function $() {
	var elements = new Array();
	for (var i = 0; i < arguments.length; i++) {
		var element = arguments[i];
		if (typeof element == 'string')
			element = document.getElementById(element);
		if (arguments.length == 1)
			return element;
		elements.push(element);
	}
	return elements;
}

function makeBold(id) {
	select = document.getElementById(id);
	if (select.value != '-') {
		select.className = 'bold';
	} else {
		select.className = '';
	}
}

function validate_email(address) {
   address = trim(address);
   var reg = /^([A-Za-z0-9_\-\.])+\@([A-Za-z0-9_\-\.])+\.([A-Za-z]{2,4})$/;
   if(reg.test(address) == false) return false;
   return true;
}

function trim(str) {
  var newstr;
  newstr = str.replace(/^\s*/, "").replace(/\s*$/, ""); 
  newstr = newstr.replace(/\s{2,}/, " "); 
  return newstr;
} 


function popWindow(url, name, width, height, scrollbars, menubar, toolbar, resizable) {
	if (name == undefined) name = 'newPopWindow';
	if (width == undefined) width = 500;
	if (height == undefined) height = 600;
	if (scrollbars == undefined) scrollbars = 'yes';
	if (menubar == undefined) menubar = 'no';
	if (toolbar == undefined) toolbar = 'no';
	if (resizable == undefined) resizable = 'yes';
	screenX = ((screen.width-width)/2);
	screenY = ((screen.height-height)/2);

	newPopWindow = window.open(url, name,'menubar='+menubar+',scrollbars='+scrollbars+',toolbar='+toolbar+',screenX='+screenX+',screenY='+screenY+',width='+width+',height='+height);
	if (window.focus) {newPopWindow.focus()}
	
}

function countWords(string){
	string = trim(string);
	return string.split(' ').length;
}

function checkLeadForm() {
	if ($('lead_name').value  == '' || $('lead_name').value  == 'שם פרטי ושם משפחה') { alert('יש להזין שם מלא'); return false; }
	if ($('lead_email').value == '' || $('lead_email').value == 'כתובת אימייל עדכנית') { alert('יש להזין כתובת אימייל'); return false; }
	if ($('lead_phone').value == '' || $('lead_phone').value == 'טלפון נייד') { alert('יש להזין מספר טלפון'); return false; }

	if (countWords($('lead_name').value) < 2) { alert('יש להזין שם פרטי + שם משפחה'); return false; }
	if (!validate_email($('lead_email').value)) { alert('כתובת האימייל אינה תקינה'); return false; }
	if (!validPhone($('lead_phone').value)) { alert('מספר הטלפון אינו מספר נייד תקין'); return false; }
	//if ($('lead_city').value == '-') { alert('יש לבחור איזור מגורים'); return false; }
	if ($('lead_gender').value == '-') { alert('יש לציין את מינך (ז/נ)'); return false; }
	
	return true;
}


function validPhone(phone_number) {
	
	//var area_codes = "00,02,03,04,08,09,072,073,076,077,078,079,050,052,054,057";
	var area_codes = "05,050,052,054,057"; // only mobile
	var valid = false;

	// strip alpha chars	
	var phone_number = new String(phone_number); 
	phone_number = phone_number.replace(/[^0-9]/g, '');
	
	// Check for correct phone number
	var rePhoneNumber = new RegExp(/^([0-9]{7})$/);
	var phone_areas = area_codes.split(",");

	for(area_code=0;area_code<phone_areas.length;area_code++) {
		if (phone_number.substr(0, phone_areas[area_code].length) == phone_areas[area_code]) {
			var phone = phone_number.substring(phone_areas[area_code].length, phone_number.length);
			//var phone = phone_number.replace(phone_areas[area_code], '');
			if (rePhoneNumber.test(phone)) { valid = true; }
			if (phone.substr(0,1) == '0') { valid = false; }
		}//If area code found
	} //For each area code in list

	return valid;

}