function show(tab)
{ 
 i=1;
    while (document.getElementById("m_"+i))
 {
 document.getElementById("m_"+i).style.display='none'; 
 i++;
 }
 document.getElementById(tab).style.display='block';
}
function subshow(st)
{ 
 i=1;
    while (document.getElementById("s_"+i))
 {
 document.getElementById("s_"+i).style.display='none'; 
 i++;
 }
 document.getElementById(st).style.display='block';
}


function hide(tab)
{  
 document.getElementById(tab).style.display='none'; 
}

function spamChecker1()
{
	if(document.getElementById("meetingspamCheck").value=="I am a Bot")
	{
		alert("Please enter 'I am not a Bot' from select box");
		document.getElementById("meetingspamCheck").focus();
		return false;
	}
}

function spamChecker()
{
	if(document.getElementById("spamCheck").value=="I am a Bot")
	{
		alert("Please enter 'I am not a Bot' from select box");
		document.getElementById("spamCheck").focus();
		return false;
	}
}

function validation()
{
	if(document.formName.txtName.value=="" || document.formName.txtName.value=="Enter your Name")
	{
		alert("Please enter your name");
		document.formName.txtName.focus();
		return false;
	}
	if(document.formName.txtEmail.value=="" || document.formName.txtEmail.value=="Enter your Email Id")
	{
		alert("Please enter your email address");
		document.formName.txtEmail.focus();
		return false;
	}
	var len=document.formName.txtEmail.value.length;
	var i=0;
	while ((i < len) && (document.formName.txtEmail.value.charAt(i) != "@"))
	{
		i++
	}
	if ((i >= len) || (document.formName.txtEmail.value.charAt(i) != "@"))
	{
		document.formName.txtEmail.focus();
		alert("Please enter a valid E-mail address.")
		return false;
	}
	if(document.getElementById("spamCheck").value=="I am a Bot")
	{
		alert("Please enter 'I am not a Bot' from select box");
		document.getElementById("spamCheck").focus();
		return false;
	}
	if(document.formName.txtMessage.value=="" || document.formName.txtMessage.value=="Enter your Message")
	{
		alert("Please enter message");
		document.formName.txtMessage.focus();
		return false;
	}
	
	
	return true;
}

var chkDot = true;
var usEmail = true;

function validEmail(eAddr) 
{ 
	var lenSuffix = (usEmail) ? 4 : 3;
	var result = false;
	var ndxAt = ndxDot =  0;

	ndxAt  = eAddr.indexOf("@");
	ndxDot = eAddr.indexOf(".") ;
	if ((ndxDot < 0) || (ndxAt < 0))
		return false;
	else 
	   	result=true; 
	return result; 
   } 

function requestforquote_form_gfieldsCheck(f) 
{

	if (f.elements["requestforquote_form_firstname"].value.length==0)
	{
		alert("Please enter your name");
		return false;
	}

	if (f.elements["requestforquote_form_email"].value.length==0) 
	{
		alert("Please enter your email address");
		return false;
	}
	else
	{
		if(f.elements["requestforquote_form_email"].value.length>0)
		{
			if(!validEmail(f.elements["requestforquote_form_email"].value))
			{
				alert("Please enter valid email address");
				return false;
			}
		}
	}
	
	if(f.elements["meetingspamCheck"].value=="I am a Bot")
	{
		alert("Please enter 'I am not a Bot' from select box");
		f.elements["meetingspamCheck"].focus();
		return false;
	}	
}


function showem()
{
if(document.getElementById('em').style.display=='none')
{
	document.getElementById('em').style.display='block';
	document.getElementById('imgem').src='images/icon_minus.jpg';
}
else
{
	document.getElementById('em').style.display='none';
		document.getElementById('imgem').src='images/icon_plus.jpg';
}
}

function showisv()
{
if(document.getElementById('isv').style.display=='none')
{
	document.getElementById('isv').style.display='block';
	document.getElementById('imgisv').src='images/icon_minus.jpg';
}
else
{
	document.getElementById('isv').style.display='none';
		document.getElementById('imgisv').src='images/icon_plus.jpg';
}
}

function showsp()
{
if(document.getElementById('sp').style.display=='none')
{
	document.getElementById('sp').style.display='block';
	document.getElementById('imgsp').src='images/icon_minus.jpg';
}
else
{
	document.getElementById('sp').style.display='none';
		document.getElementById('imgsp').src='images/icon_plus.jpg';
}
}