function form_build(){
	var currentTime = new Date();
	var month = currentTime.getMonth() + 1;
	if(month>=4){
		registration_form.registrationfee[0].disabled=true;
	}
}

function scroll_to_errors(){
		var obj2=document.getElementById("errorlist");
		var topOffset = 0;
		if (obj2.offsetParent) {
			topOffset = obj2.offsetTop;
			while (obj2 = obj2.offsetParent) {
				topOffset += obj2.offsetTop;
			}
		}
		scroll(0,topOffset);
}