function validate(theform)
{ 
	if (theform.fname.value=='' || theform.fname.value=='Name') 
	{
		alert("please enter your name");
		theform.fname.select();
		theform.fname.focus();		
		return false;
	}
	if (emailCheck(theform.email.value)==false) 
	{
		alert("please enter your email");
		theform.email.select();
		theform.email.focus();
		return false;
	}
	if (theform.phone.value=='' || theform.phone.value=='Phone') 
	{
		alert("please enter your phone");
		theform.phone.select();
		theform.phone.focus();
		return false;
	}	
	if (theform.comments.value=='' || theform.comments.value=='Questions/Comments') 
	{
		alert("please enter your questions/comments");
		theform.comments.select();
		theform.comments.focus();
		return false;
	}	
	theform.submit();
}

function emailCheck(str) 
{
	var at="@";
	var dot=".";
	var lat=str.indexOf(at);
	var lstr=str.length;
	var ldot=str.indexOf(dot);
	if (str.indexOf(at)==-1) return false;
	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr) return false;
	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr) return false;
	if (str.indexOf(at,(lat+1))!=-1) return false;
	if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot) return false;
	if (str.indexOf(dot,(lat+2))==-1) return false;
	if (str.indexOf(" ")!=-1) return false;
	return true;
}