function sliderOnClick() {	
	if ("Fyll i din e-post adress*" == document.getElementById('emailannons').value) {
		document.getElementById('emailannons').value = "";	
	}
}

function sliderOnClick2() {	
	if ("Fyll i din e-post adress" == document.getElementById('emailannons').value) {
		document.getElementById('emailannons').value = "";	
	}
}