function emailCheck (emailStr) {
 
/* The following variable tells the rest of the function whether or not
to verify that the address ends in a two-letter country or well-known
TLD.  1 means check it, 0 means don't. */
 
var checkTLD=1;
 
/* The following is the list of known TLDs that an e-mail address must end with. */
 
var knownDomsPat=/^(com|net|org|edu|int|mil|gov|arpa|biz|aero|name|coop|info|pro|museum)$/;
 
/* The following pattern is used to check if the entered e-mail address
fits the user@domain format.  It also is used to separate the username
from the domain. */
 
var emailPat=/^(.+)@(.+)$/;
 
/* The following string represents the pattern for matching all special
characters.  We don't want to allow special characters in the address. 
These characters include ( ) < > @ , ; : \ " . [ ] */
 
var specialChars="\\(\\)><@,;:\\\\\\\"\\.\\[\\]\\'";
 
/* The following string represents the range of characters allowed in a 
username or domainname.  It really states which chars aren't allowed.*/
 
var validChars="\[^\\s" + specialChars + "\]";
 
/* The following pattern applies if the "user" is a quoted string (in
which case, there are no rules about which characters are allowed
and which aren't; anything goes).  E.g. "jiminy cricket"@disney.com
is a legal e-mail address. */
 
var quotedUser="(\"[^\"]*\")";
 
/* The following pattern applies for domains that are IP addresses,
rather than symbolic names.  E.g. joe@[123.124.233.4] is a legal
e-mail address. NOTE: The square brackets are required. */
 
var ipDomainPat=/^\[(\d{1,3})\.(\d{1,3})\.(\d{1,3})\.(\d{1,3})\]$/;
 
/* The following string represents an atom (basically a series of non-special characters.) */
 
var atom=validChars + '+';
 
/* The following string represents one word in the typical username.
For example, in john.doe@somewhere.com, john and doe are words.
Basically, a word is either an atom or quoted string. */
 
var word="(" + atom + "|" + quotedUser + ")";
 
// The following pattern describes the structure of the user
 
var userPat=new RegExp("^" + word + "(\\." + word + ")*$");
 
/* The following pattern describes the structure of a normal symbolic
domain, as opposed to ipDomainPat, shown above. */
 
var domainPat=new RegExp("^" + atom + "(\\." + atom +")*$");
 
/* Finally, let's start trying to figure out if the supplied address is valid. */
 
/* Begin with the coarse pattern to simply break up user@domain into
different pieces that are easy to analyze. */
 
var matchArray=emailStr.match(emailPat);
 
if (matchArray==null) {
 
/* Too many/few @'s or something; basically, this address doesn't
even fit the general mould of a valid e-mail address. */
 
alert("Email address seems incorrect (check @ and .'s)");
return false;

}
var user=matchArray[1];
var domain=matchArray[2];
 
// Start by checking that only basic ASCII characters are in the strings (0-127).
 
for (i=0; i<user.length; i++) {
if (user.charCodeAt(i)>127) {
alert("This username contains invalid characters.");
return false;
   }
}
for (i=0; i<domain.length; i++) {
if (domain.charCodeAt(i)>127) {
alert("This domain name contains invalid characters.");
return false;
   }
}
 
// See if "user" is valid 
 
if (user.match(userPat)==null) {
 
// user is not valid
 
alert("This username doesn't seem to be valid.");
return false;
}
 
/* if the e-mail address is at an IP address (as opposed to a symbolic
host name) make sure the IP address is valid. */
 
var IPArray=domain.match(ipDomainPat);
if (IPArray!=null) {
 
// this is an IP address
 
for (var i=1;i<=4;i++) {
if (IPArray[i]>255) {
alert("Destination IP address is invalid!");
return false;
   }
}
return true;
}
 
// Domain is symbolic name.  Check if it's valid.
 
var atomPat=new RegExp("^" + atom + "$");
var domArr=domain.split(".");
var len=domArr.length;
for (i=0;i<len;i++) {
if (domArr[i].search(atomPat)==-1) {
alert("The domain name does not seem to be valid.");
return false;
   }
}
 
/* domain name seems valid, but now make sure that it ends in a
known top-level domain (like com, edu, gov) or a two-letter word,
representing country (uk, nl), and that there's a hostname preceding 
the domain or country. */
 
if (checkTLD && domArr[domArr.length-1].length!=2 && 
domArr[domArr.length-1].search(knownDomsPat)==-1) {
alert("The address must end in a well-known domain or two letter " + "country.");
return false;
}
 
// Make sure there's a host name preceding the domain.
 
if (len<2) {
alert("This address is missing a hostname!");
return false;
}
 
// If we've gotten this far, everything's valid!
return true;
}
// function check for numeric values
	
function IsPhone(strString)
//  check for valid numeric strings	
{
var strValidChars = "0123456789-+";
var strChar;
var blnResult = true;

if (strString.length == 0) return false;

//  test strString consists of valid characters listed above
for (i = 0; i < strString.length && blnResult == true; i++)
  {
  strChar = strString.charAt(i);
  if (strValidChars.indexOf(strChar) == -1)
     {
		blnResult = false;
     }
  }
return blnResult;
}
 function check_faq_form(form)
{
	if(form.message.value=="")
	{
		alert("Please enter your query.");
		form.message.focus();
		return false;
	}	
	if(form.email.value=="")
	{
		alert("Please enter your email-address.");
		form.email.focus();
		return false;
	}
	if(!emailCheck(form.email.value))
	{
		form.email.focus();
		return false;
	}	
}	
function check_form(form)
{
	
	//var randomnumber   = parent.frames["Ifrm"].document.getElementById('randomnumber').value; 
	//var fld_security_code   = document.getElementById('fld_security_code').value; 
	if(form.full_name.value=="")
	{
		alert("Please enter your full name");
		form.full_name.focus();
		return false;
	}	
	if(form.phone_number.value=="")
	{
		alert("Please enter your phone number");
		form.phone_number.focus();
		return false;
	}
	 if(!IsPhone(form.phone_number.value))
	{
		alert("Please enter valid phone number.");
		form.phone_number.focus();
		return false;
	}
	if(form.email.value=="")
	{
		alert("Please enter your email address");
		form.email.focus();
		return false;
	}
	if(!emailCheck(form.email.value))
	{
		form.email.focus();
		return false;
	}		
	if(form.find.value=="")
	{
		alert("Please Select Service you Want?");
		form.find.focus();
		return false;
	}	
	if(form.contact_reason.value=="")
	{
		alert("Please enter your Address:");
		form.contact_reason.focus();
		return false;
	}	
	 if ( ( form.property[0].checked == false )  && ( form.property[1].checked == false ) )
    {
        alert ( "Please select your property is?" );
        form.property[0].focus();
        return false;
    }
 /*if ( ( form.owner[0].checked == false )  && ( form.owner[1].checked == false ) )
    {
        alert ( "Please select you are owner of the property?" );
        form.owner[0].focus();
        return false;
    }*/
  /*   if ( ( form.usedBefore[0].checked == false )  && ( form.usedBefore[1].checked == false ) )
    {
        alert ( "Please select you have used Bosco Plumbing before?" );
        form.usedBefore[0].focus();
        return false;
    }*/
       if ( ( form.contact_time[0].checked == false )  && ( form.contact_time[1].checked == false ) &&  ( form.contact_time[2].checked == false ))
    {
        alert ( "Please select the best time to contact you is?" );
        form.contact_time[0].focus();
        return false;
    }
	if(form.other_drain_issue.checked==true && form.drain_text.value=="")
	{
		form.other_drain_issue.checked=false;
	}
	if(form.other_drain_issue.checked==false && form.drain_text.value!="")
	{
		form.other_drain_issue.checked=true;
	}	
	if(form.other_plumbing_issue.checked==true && form.text_plumbing_issue.value=="")
	{
		form.other_plumbing_issue.checked=false;
	}
	if(form.other_plumbing_issue.checked==false && form.text_plumbing_issue.value!="")
	{
		form.other_plumbing_issue.checked=true;
	}
	if(form.other_plumber_explain.checked==true && form.additional_comments.value=="")
	{
		form.other_plumber_explain.checked=false;
	}
	if(form.other_plumber_explain.checked==false && form.additional_comments.value!="")
	{
		form.other_plumber_explain.checked=true;
	}
	/*if(randomnumber!=fld_security_code)
	{
		alert('Invalid security code!');
		document.getElementById('fld_security_code').focus();
		return false;
	}*/
	return true;
}
	  
	function trim(data)
	{
	
	// triming from right
	
		while(''+data.value.charAt(data.value.length-1)==' ')
		
		data.value=data.value.substring(0,data.value.length-1);
		
		// triming from left
		
		while(''+data.value.charAt(0) == ' ')
		
		data.value=data.value.substring(1,data.value.length);
	
	}
	ie = (document.all) ? 1 : 0;
	n = !ie;
	function Go(){
		document.onkeypress = keyDown;

		if (n) {
    		document.captureEvents(Event.KEYPRESS);
			}
		}
		
	
	function keyDown(e) {
		var keycode;
		if (window.event) keycode = window.event.keyCode;
		else if (e) keycode = e.which;
		else return true;
		if (keycode==60 || keycode==62)
	    {
	        alert("This key is blocked for this application");
	    	return false;
	    }
	
	}
	
	function check_checkBox(chk,txt)
{
	if(document.getElementById(txt).value=="")
	{
		document.getElementById(chk).checked=false;
	}	
	else if(document.getElementById(txt).value!="")
	
	{
		document.getElementById(chk).checked=true;
	}	
}
	function check_textBox(chk,txt)
{
	if(document.getElementById(chk).checked==false && document.getElementById(txt).value!="")
	{
		document.getElementById(chk).checked=true;
	}	
}