function sendForm(form, field, value) {
	document.forms[form][field].value = value;
	document.forms[form].submit();
}

function refreshUserStatusBar() {
	new Ajax.Updater('user-status', '/?portalId=' + portalId + '&action=myprofile&mode=showUserStatus&originalPortalId=' + portalId, {
		method: "post",
		parameters: {
			template: template
		}
	});
}

function scrollElementToViewport(id, f, offset) {
	var vp = $(id).viewportOffset();
	var pos = $(id).cumulativeOffset();
	var viewportHeight = document.viewport.getHeight();
	var dim = $(id).getDimensions();
	
	if (dim.height > viewportHeight) new Effect.ScrollTo(id, {duration: 0.4});
	else if (vp.top + f * dim.height > viewportHeight) new Effect.ScrollTo(id, {offset: -(pos.top - (pos.top - viewportHeight) - f * dim.height) + offset, duration: 0.4});
}

function initTextAreasMaxLength() {
	var textAreas = document.getElementsByTagName("textarea");
	
	for (var i=0; i<textAreas.length; i++) {
		if (textAreas[i].getAttribute('maxlength')) {
			Event.observe(textAreas[i], 'keydown', checkMaxLength);
			Event.observe(textAreas[i], 'keyup', checkMaxLength);
			textAreas[i].checkMaxLength = checkMaxLength;
			textAreas[i].checkMaxLength();
		}
	}
}

function checkMaxLength() {
	var maxLength = parseInt(this.getAttribute('maxlength'));
	if(this.value.length > maxLength) this.value = this.value.substring(0, maxLength);
	
	var maxLengthInfo = this.getAttribute('maxlengthinfo');
	if (maxLengthInfo) $(maxLengthInfo).innerHTML = this.value.length + " / " + maxLength;
}

Event.observe(window, 'load', initTextAreasMaxLength);