function trimvalue(s)
 {
   return s.replace( /^\s*/, "" ).replace( /\s*$/, "" );
 }
 function checkEmail()
 {
    var uemail = document.getElementById('username_email').value;
	//alert('val: '+uemail);
	if(trimvalue(uemail) == "")
	{
	  document.getElementById('username_email').value = "enter email";
	}
 }
 function checkEmailF()
 {
    var uemail = document.getElementById('username_email').value;
	if(trimvalue(uemail) == "enter email")
	{
	  document.getElementById('username_email').value = "";
	}
 }
 
 
 function checkPassT()
 {
    document.getElementById('pass_word').style.display = "";
	document.getElementById('pass_text').style.display = "none";
	document.getElementById('log_password').focus();
 }
 
 function checkPassP()
 {
    var upass = document.getElementById('log_password').value;
	if(trimvalue(upass) == "")
	{
	  document.getElementById('pass_word').style.display = "none";
	  document.getElementById('pass_text').style.display = "";
	}
 }
 
function submitLogForm()
{
  document.iso_login_form.submit();
}