function clear() {
    document.forms['contact'].reset();
}
  
function send() {
	for (var i=1; i<5; i++) {
	  eval("document.getElementById('p"+i+"').style.color='#FFFFFF'");
	}
	
	var bi=0;
	
    for (var i=1; i<5; i++) {
	  if (document.forms['contact'].elements[i].value.length<1) {
	    bi=1;
		eval("document.getElementById('p"+i+"').style.color='#ff0000'");
	  }
	}
	
	if ( document.forms['contact'].elements[3].value.length!=0 ) {
    	if (document.forms['contact'].elements[3].value.match(/^\w+([\.\w]+)*\w@\w((\.\w)*\w+)*\.\w{2,4}$/)==null) {
			bi=1;
			document.getElementById('p3').style.color='#ff0000';
		}
    } else {
		bi=1;
	}
	
	if (bi==0)
	  document.forms['contact'].submit();
}