function isValidEmail(strEmail){
  validRegExp = /^[^@]+@[^@]+.[a-z]{2,}$/i;
  
	// search email text for regular exp matches
  if (strEmail.search(validRegExp) == -1) {
  	return false;
  } 
  return true; 
}

// toggle div tag
function toggleDiv(divTag, display){
	if(display == 1){
		$("#"+divTag).slideDown("slow");
	}else{
		$("#"+divTag).slideUp("slow");
	}
}

// toggle div tag
function toggleElement(divTag, divClass){
	$("."+divClass).slideUp("slow");
	$("#"+divTag).slideDown("slow");
}