function isEmailAddr(email)
		{
		  var result = false
		  var theStr = new String(email)
		  var index = theStr.indexOf("@");
		  if (index > 0)
		  {
			var pindex = theStr.indexOf(".",index);
			if ((pindex > index+1) && (theStr.length > pindex+1))
			result = true;
		  }
		  return result;
		}
		function junk(fieldValue){
junkChars="\\\"<>~`!#$%^&*/?;";
	//return true if any junk character found in given value otherwise false
	if(fieldValue!=""){
		for(i=0;i<junkChars.length;i++)
			if(fieldValue.indexOf(junkChars.charAt(i))!=-1)
				return true;
	}
	return false;
}
function ValidateNewsletter() {

if(document.newsletterfrm.textname.value=='')
    {

    	alert("Please enter your name");
	    document.newsletterfrm.textname.focus();
    	return false;
    }
if(document.newsletterfrm.t_email.value=='')
    {

    	alert("Please enter email address");
	    document.newsletterfrm.t_email.focus();
    	return false;
    }

if(!isEmailAddr(document.newsletterfrm.t_email.value))
	{
		alert("Invalid Email address");
	    document.newsletterfrm.t_email.focus();
    	return false;
	}	
	return true;
}



function checkContactUs()
{
	if(document.form1.t_uname.value == "")
	{
		alert("Please enter your name.");
		document.form1.t_uname.focus();
		return false;
	}
	  if(document.form1.t_uname.value.replace(/(^ +| +$)/, "") == "")
		{
		   alert("Please enter your name without space");
		   document.form1.t_uname.focus();
		   return false;
		}
	if(document.form1.t_email.value == "")
	{
		alert("Please enter your email.");
		document.form1.t_email.focus();
		return false;
	}
	string = document.form1.t_email.value;
	if (string.length >0) 
	{
		i=string.indexOf("@")
		j=string.indexOf(".",i)
		k=string.indexOf(",")
		kk=string.indexOf(" ")
		jj=string.lastIndexOf(".")+1
		len=string.length

		if ((i>0) && (j>(1+1)) && (k==-1) && (kk==-1) && (len-jj >=2) && (len-jj<=3)) 
		{

		}
		else
		{
			alert("Please enter valid email address");
			document.form1.t_email.focus();
			return false;
		}
	}
	
	if(document.form1.t_comments.value == "")
	{
		alert("Please enter your comments.");
		document.form1.t_comments.focus();
		return false;
	}
	
}