function chkus()
{
var prm3=document.rgs.param3.value;
if(document.rgs.param3.value.length>6)
{
alert("\u0625\u0633\u0645 \u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645 \u0623\u0648 \u0643\u0644\u0645\u0629 \u0627\u0644\u0633\u0631 \u063a\u064a\u0631 \u0635\u062d\u064a\u062d\u0629")
document.rgs.u_id.focus();
}

}
function unl()
{
document.rgs.param3.value=""
}
function sat()
{
if(remove(document.rgs.u_id.value)=="")
{
alert("\u0627\u0644\u0631\u062c\u0627\u0621 \u062f\u062e\u0627\u0644 \u0631\u0642\u0645\u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645");
document.rgs.u_id.focus();
}

else if(remove(document.rgs.pass.value)=="")
{
alert("\u0627\u0644\u0631\u062c\u0627\u0621 \u0625\u062f\u062e\u0627\u0644 \u0643\u0644\u0645\u0629 \u0627\u0644\u0633\u0631");
document.rgs.pass.focus();
}
else
{

return true

}

return false;
}

function sat_index()
{

if(remove(document.rgs.u_id.value)=="")
{
alert("\u0627\u0644\u0631\u062c\u0627\u0621 \u062f\u062e\u0627\u0644 \u0631\u0642\u0645\u0627\u0644\u0645\u0633\u062a\u062e\u062f\u0645");
document.rgs.u_id.focus();
}

else if(remove(document.rgs.pass.value)=="")
{
alert("\u0627\u0644\u0631\u062c\u0627\u0621 \u0625\u062f\u062e\u0627\u0644 \u0643\u0644\u0645\u0629 \u0627\u0644\u0633\u0631");
document.rgs.pass.focus();
}
else if(!checkEnglish("u_id"))
{
    alert('Please type english characters only in User ID.');
    document.getElementById("u_id").focus();
}
else if(!checkEnglish("pass"))
{
    alert('Please type english characters only in Password.');
    document.getElementById("pass").focus();
}
else
{

return true

}

return false;

}

function remove(space)
{
	var plus = 0;
	for(var i=0;i<space.length;i++)
	{
		if (space.charAt(i) != ' ')
		{
			plus =plus + 1;
		}
	}
	return(plus);
}

function checkEnglish(ctrlid)
{
     var inputString = document.getElementById(ctrlid).value ;
     if (!inputString.match(/^[a-zA-Z0-9\.\@\!\#\$]+$/)) 
        {
            return false ;
        }
     return true ;
}