function getField(fieldType,fieldTitle) {
    var docTags = document.getElementsByTagName(fieldType);
    for (var i=0; i < docTags.length; i++) {
        if (docTags[i].title == fieldTitle) {
            return docTags[i]
        }
    }
}

function validate() {
	var text = getField('input','E-mail').value;
	var errors = 0;
	if (text == "") errors = 1;
	if (text.indexOf('@') == -1) errors = 1;
	if (text.indexOf('.') == -1) errors = 1;
	
	if (errors != 0) {
		alert('Please enter a valid e-mail address')
		getField('input','E-mail').focus();
		return false;
	}
	else {
		alert('Thank you for subscribing to the Drucker in Practice newsletter!')
		return true;
	}
}

function validate2() {
	var text = getField('input','Elektronska pošta').value;
	var errors = 0;
	if (text == "") errors = 1;
	if (text.indexOf('@') == -1) errors = 1;
	if (text.indexOf('.') == -1) errors = 1;
	
	if (errors != 0) {
		alert('Please enter a valid e-mail address')
		getField('input','Elektronska pošta').focus();
		return false;
	}
	else {
		alert('Thank you for your message!')
		return true;
	}
}

function createCookie(name,value,days) {
	if (days) {
		var date = new Date();
		date.setTime(date.getTime()+(days*24*60*60*1000));
		var expires = "; expires="+date.toGMTString();
	}
	else var expires = "";
	document.cookie = name+"="+value+expires+"; path=/";
}

function readCookie(name) {
	var nameEQ = name + "=";
	var ca = document.cookie.split(';');
	for(var i=0;i < ca.length;i++) {
		var c = ca[i];
		while (c.charAt(0)==' ') c = c.substring(1,c.length);
		if (c.indexOf(nameEQ) == 0) return c.substring(nameEQ.length,c.length);
	}
	return null;
}

function eraseCookie(name) {
	createCookie(name,"",-1);
}