function checkEmail(email)
{
	var gotA = false;
	var ok = false;
	for (i = 1; i <= email.length; i++)
	{
		if (email.charAt(i) == '@')
		{
			gotA=true;
		}
		if (gotA==true) {
			if (email.charAt(i) == '.') {
				ok=true;
			}
		}
	}
	return ok;
}

function checkMessage(message)
{
	var ok = true;
	var theWords = new Array("fuck", "shit", "damn", "asshole", "bullshit", "cunt", "viagra");
	var re;
	
	for (i = 0; i < theWords.length; i++)
	{
		re = new RegExp(theWords[i],"i");
		if (message.search(re) != -1)
			ok = false;
	}
	
	return ok;
}

function checkEntry(obj) {
	var m=obj.value;
	if (!checkMessage(m)) {
		obj.value="";
	}
}