function formValidate() {
	var emailRegExp = /^[\w\.\-]+@([\w\-]+\.)+[a-zA-Z]+$/;
	if (document.emailForm.name.value.length == 0 || document.emailForm.email.value.length == 0 || document.emailForm.message.value.length == 0 || emailRegExp.test(document.emailForm.email.value) == false) {
		alert("Kérem ellenörizze a bevitt adatokat!");
		return false;
	} else {
		return true;
	}
}

function scale(img, toWidth, toHeight) {
	if(img.width>toWidth) {
		img.height=Math.round(((toWidth)/img.width)*img.height);
		img.width=toWidth;
	}
	if(img.height>toHeight) {
		img.width=Math.round(((toHeight)/img.height)*img.width);
		img.height=toHeight;
	}
}

var slider = {
	init: function() {
		slider.hints = Core.getElementsByClass('hint');
		slider.delay = 10000;
		slider.index = 0;
		slider.widthOffset = 0;
		
		slider.slide();
	},
	slide: function() {
		slider.widthOffset += 8;
		if (slider.index == slider.hints.length) {
			slider.index = 0;
			slider.hints[1].style.width = "100%";
		}
		if (slider.widthOffset < 100) {
			if (slider.index+1 < slider.hints.length) {
				slider.hints[slider.index+1].style.width = slider.widthOffset + "%";
			}
			slider.hints[slider.index].style.width = 100 - slider.widthOffset + "%";
			//if (slider.index+1 >= slider.hints.length) {slider.widthOffset = 100;}
			setTimeout("slider.slide()",40);
		} else {
			slider.widthOffset = 0;
			slider.hints[slider.index].style.width = 0;
			slider.index++;
			
			setTimeout("slider.slide()",slider.delay);
		}
	}
};

Core.start(slider);