function checkEmail(oElem){
	if (oElem.value.indexOf("@",0) == -1 || oElem.value.indexOf(".",0) == -1 || oElem.value.indexOf(",",0) != -1 || oElem.value.indexOf(" ",0) != -1){
		alert("Please enter a valid E-mail address")
		oElem.focus();
		return false;
	}else{
		return true;
	}
}