function saydamlikDegis(obj, value) 
{
	obj.style.opacity = value/10;
	obj.style.filter = 'alpha(opacity=' + value*10 + ')';
}
function handleEnter (field, event)
{
	var keyCode = event.keyCode ? event.keyCode : event.which ? event.which : event.charCode;
	if (keyCode == 13) {
		var i;
		for (i = 0; i < field.form.elements.length; i++)
			if (field == field.form.elements[i])
				break;
		i = (i + 1) % field.form.elements.length;
		field.form.elements[i].focus();
		return false;
		} 
	else
		return true;
}
function evetHayir(soru)
{
	if(confirm(soru))
	{
		//do this if answer is ok.
	}
	else
	{
		// do this if person pressed 'cancel'
		return false
	}
}