function resetBtn(fm){
    fm.reset();
    return false;
}
function black(num){
   num.back();
   return false;}

function submitfrom(){
	var name=document.getElementById('name').value;
	var address=document.getElementById('address').value;
	var tel=document.getElementById('tel').value;
	var email=document.getElementById('email').value;
	
	if(name=='' || address=='' || tel=='' || email==''){
	return false;
	}
}
window.onload=function(){
	document.formchek.onsubmit=submitfrom;
}