function clickclear(thisfield, defaulttext) {
if (thisfield.value == defaulttext) {
thisfield.value ="";
}
}
function clickrecall(thisfield, defaulttext) {
if (thisfield.value == "") {
thisfield.value = defaulttext;
}
}

function isValidEmail(str) {

   return (str.indexOf("@") > 0);

}
function IsNumeric(sText)

{
   var ValidChars = "0123456789.";
   var IsNumber=true;
   var Char;

 
   for (i = 0; i < sText.length && IsNumber == true; i++) 
      { 
      Char = sText.charAt(i); 
      if (ValidChars.indexOf(Char) == -1) 
         {
         IsNumber = false;
         }
      }
   return IsNumber;
   
   }
function alltrim(str) 
{
                return str.replace(/^\s+|\s+$/g, '');
 }



function validContactForm()
{
var strValue = document.form1.textfield.value;
	var strFilter = /^([0-9a-z]([-.\w]*[0-9a-z])*@(([0-9a-z])+([-\w]*[0-9a-z])*\.)+[a-z]{2,6})$/i;
	if (!strFilter.test(strValue))
	{
  	 alert("Please enter a valid email address.");
	 document.form1.textfield.focus();
   	return false;
	}
	if(alltrim(document.form1.textfield2.value) == "Enquiry:" )
	{
		alert("Please enter your enquiry.");
		document.form1.textfield2.focus();
		return false;
	}	

	if(alltrim(document.form1.textfield2.value) == "" )
	{
		alert("Please enter your enquiry.");
		document.form1.textfield2.focus();
		return false;
	}	


}
function validContactForm1()
{
var strValue = document.form2.email.value;
	var strFilter = /^([0-9a-z]([-.\w]*[0-9a-z])*@(([0-9a-z])+([-\w]*[0-9a-z])*\.)+[a-z]{2,6})$/i;
	if (!strFilter.test(strValue) == "Email")
	{
  	 alert("Please enter a valid email address.");
	 document.form2.email.focus();
   	return false;
	}
	var strValue = document.form2.email.value;
	var strFilter = /^([0-9a-z]([-.\w]*[0-9a-z])*@(([0-9a-z])+([-\w]*[0-9a-z])*\.)+[a-z]{2,6})$/i;
	if (!strFilter.test(strValue))
	{
  	 alert("Please enter a valid email address.");
	 document.form2.email.focus();
   	return false;
	}

}
function validContactForm3()
{
	if(alltrim(document.form3.fname.value) == "" )
	{
		alert("Please enter your first name.");
		document.form3.fname.focus();
		return false;
	}	
	if(alltrim(document.form3.lname.value) == "" )
	{
		alert("Please enter your surname.");
		document.form3.lname.focus();
		return false;
	}
	var strValue = document.form3.email.value;
	var strFilter = /^([0-9a-z]([-.\w]*[0-9a-z])*@(([0-9a-z])+([-\w]*[0-9a-z])*\.)+[a-z]{2,6})$/i;
	if (!strFilter.test(strValue))
	{
  	 alert("Please enter a valid email address.");
	 document.form3.email.focus();
   	return false;
	}

if(alltrim(document.form3.mobile.value) == "" )
	{
		alert("Please enter your mobile no.");
		document.form3.mobile.focus();
		return false;
	}	
	
if (!IsNumeric(document.form3.mobile.value))
{

alert ("Please enter your mobile no. in numeric.");
document.form3.mobile.focus();
return false;
}
//alert(document.form1.phone.value.length);	 
if ((document.form3.mobile.value.length < 10)) {
alert ("mobile no. should be minimum 10 characters.");
document.form3.mobile.focus();
return false;
}		


var chks = document.getElementsByName('size[]');
var hasChecked = false;
for (var i = 0; i < chks.length; i++)
{
if (chks[i].checked)
{
hasChecked = true;
break;
}
}
if (hasChecked == false)
{
alert("Please select at least one checkbox.");
return false;
}

}
function validContactForm4()
{
var strValue = document.form4.email.value;
	var strFilter = /^([0-9a-z]([-.\w]*[0-9a-z])*@(([0-9a-z])+([-\w]*[0-9a-z])*\.)+[a-z]{2,6})$/i;
	if (!strFilter.test(strValue))
	{
  	 alert("Please enter a valid email address.");
	 document.form4.email.focus();
   	return false;
	}
	if(alltrim(document.form4.enquiry.value) == "Enquiry:" )
	{
		alert("Please enter your enquiry.");
		document.form4.enquiry.focus();
		return false;
	}	

	if(alltrim(document.form4.enquiry.value) == "" )
	{
		alert("Please enter your enquiry.");
		document.form4.enquiry.focus();
		return false;
	}	


}
function validContactForm5()
{
	if(alltrim(document.form5.fname.value) == "" )
	{
		alert("Please enter your first name.");
		document.form5.fname.focus();
		return false;
	}	
	if(alltrim(document.form5.lname.value) == "" )
	{
		alert("Please enter your surname.");
		document.form5.lname.focus();
		return false;
	}
	var strValue = document.form5.email.value;
	var strFilter = /^([0-9a-z]([-.\w]*[0-9a-z])*@(([0-9a-z])+([-\w]*[0-9a-z])*\.)+[a-z]{2,6})$/i;
	if (!strFilter.test(strValue))
	{
  	 alert("Please enter a valid email address.");
	 document.form5.email.focus();
   	return false;
	}

if(alltrim(document.form5.mobile.value) == "" )
	{
		alert("Please enter your mobile no.");
		document.form5.mobile.focus();
		return false;
	}	
	
if (!IsNumeric(document.form5.mobile.value))
{

alert ("Please enter your mobile no. in numeric.");
document.form5.mobile.focus();
return false;
}
//alert(document.form1.phone.value.length);	 
if ((document.form5.mobile.value.length < 10)) {
alert ("mobile no. should be minimum 10 characters.");
document.form5.mobile.focus();
return false;
}		


}