// JavaScript Document
function fndisplay(TNav, TNavA)
{
	if(document.getElementById(TNav))
	document.getElementById(TNav).style.display = "inline";
	if(document.getElementById(TNavA))
	document.getElementById(TNavA).style.display = "inline";
}
function fnhide(TNav, TNavA)
{
	if(document.getElementById(TNav))
	document.getElementById(TNav).style.display = "none";
	if(document.getElementById(TNavA))
	document.getElementById(TNavA).style.display = "none";
}
function fnRedirect()
{
	document.location.href = "catalog.html?Srch="+document.getElementById("findit").value
}
function fntxtsize(txtsize)
{
	document.getElementById("maintable").className = txtsize
}
function MM_openBrWindow(theURL,winName,features) { //v2.0
	window.open(theURL,winName,features);
}
function isEmailAddress(WsCheck)
{
	var i, c;
	var at = dot = 0;
	var str = WsCheck;
	var sl  = str.length;
	var dx_at = dx_dot = -1;

	for (i = 0; i < sl; i++)
	{
		c = str.charAt(i);
		if (c == "@") {++at;  dx_at=i; }
		else if (c == ".") {++dot; dx_dot=i;}
		else if (c == " ")
		return false;
	}
	if ((sl < 8) || (dx_dot < 1) || (at != 1)
	|| (dx_at < 1) || (dx_dot-1 <= dx_at)
	|| (sl-3 < dx_dot))
	return false;
	else
	return true;
}
function fnload()
{
	//document.getElementById("PName").focus();
	document.getElementById("SignUp").reset();
	document.getElementById("alert").innerHTML = ""
}
function fnvalidate()
{
	if(document.getElementById("PName").value == "")
	{
		document.getElementById("alert").innerHTML = "Enter Name"
		document.getElementById("PName").focus()
		return false;
	}
	else if(document.getElementById("Email").value == "")
	{
		document.getElementById("alert").innerHTML = "Enter Email"
		document.getElementById("Email").focus()
		return false;
	}
	else if (isEmailAddress(document.getElementById("Email").value) == false)
	{
		document.getElementById("alert").innerHTML = "Invalid Email Address";
		document.getElementById("Email").focus();
		return false;
	}
	else if(document.getElementById("City").value == "")
	{
		document.getElementById("alert").innerHTML = "Enter City"
		document.getElementById("City").focus()
		return false;
	}
	else if(document.getElementById("Doctor").value == "")
	{
		document.getElementById("alert").innerHTML = "Enter Doctor"
		document.getElementById("Doctor").focus()
		return false;
	}
	else if(document.getElementById("Practise").value == "")
	{
		document.getElementById("alert").innerHTML = "Enter Practise"
		document.getElementById("Practise").focus()
		return false;
	}
	else
	{
		document.SignUp.method = "Post";
		document.SignUp.action = "SignUp.asp";
		document.SignUp.submit();
		return true;
	}
}