// PRINT

function writePrintButton() {
	if (window.print) {
		document.write ('<a href="javascript:window.print();" class="printButton">Tulosta sivu</a>');
	}
}

function initHeaderLabels () {
  if (!document.getElementById) return;  	

  var labels, id, field;
  if (document.getElementById('headerLoginFields')){
	  // Set focus and blur handlers to hide and show 
	  // LABELs with 'over' class names.
	  labels = document.getElementById('headerLoginFields').getElementsByTagName('label');
	  for (var i = 0; i < labels.length; i++) {
		
		  // Skip labels that do not have a named association
		  // with another field.
		  id = labels[i].htmlFor || labels[i].getAttribute('for');
		  if (!id || !(field = document.getElementById(id))) {
			continue;
		  }

		  // Change the applied class to hover the label 
		  // over the form field.
		  labels[i].className = 'over';

		  // Hide any fields having an initial value.
		  if (field.value !== '') {
			hideHeaderLabel(field.getAttribute('id'), true);
		  }

		  // Set handlers to show and hide labels.
		  field.onfocus = function () {
			hideHeaderLabel(this.getAttribute('id'), true);
		  };
		  field.onblur = function () {
			if (this.value === '') {
			  hideHeaderLabel(this.getAttribute('id'), false);
			}
		  };

		  // Handle clicks to LABEL elements (for Safari).
		  labels[i].onclick = function () {
			var id, field;
			id = this.getAttribute('for');
			if (id && (field = document.getElementById(id))) {
			  field.focus();
			}
		  };

	  }
  }
}

function hideHeaderLabel (field_id, hide) {
  var field_for;
  var labels = document.getElementById('headerLoginFields').getElementsByTagName('label');
  for (var i = 0; i < labels.length; i++) {
    field_for = labels[i].htmlFor || labels[i].getAttribute('for');
    if (field_for == field_id) {
      labels[i].style.textIndent = (hide) ? '-1000px' : '0px';
      return true;
    }
  }
}

window.onload = function () {
  setTimeout(initHeaderLabels, 50);
};