function enable_sign_up_submit() {
// enables/disables form submit button when accept_terms checkbox ON
	var frm = document.forms.sign_up;
	if(frm.accept_terms.checked
	&& frm.loginname.value != ''
	&& frm.newpass1.value != ''
	&& frm.newpass2.value != ''
	&& frm.email.value != ''
	)
	{
		frm.submitButton.disabled = false;
	}else{
		frm.submitButton.disabled = true;
	}
}

function showHideDiv(divName) {
	styleObj=document.getElementById(divName).style;
	if(!styleObj.display || styleObj.display == "none") {
		styleObj.display = "block";
	}else{
		styleObj.display = "none";
	}
//alert (styleObj.display);
}