function show() {			
	if(document.getElementById("optInOnTheJobNewsletter").checked == false) {		
		MM_displayLayers('div1','','none');
		MM_displayLayers('div2','','block');
		MM_displayLayers('div3','','block');
		document.getElementById("addressCheck").value='false';	
	} else {
		MM_displayLayers('div1','','block');
		document.getElementById("addressCheck").value='true';
	}
}