function validate_name(field,alerttxt)
{
 with (field)
  { 
    var str =value;
    var re =/^[a-zA-Z]/;
    str = str.toString();
    if (value==null||value==""||value=="Name") 
    {alert(alerttxt);return false}
    else if (!str.match(re)) 
     {alert("Enter only characters into the name field.");return false}
    else {return true}
  }
}
function validate_email(field,alerttxt)
{
with (field)
{
var str =value;
 str = str.toString();
  if (value==null||value=="") 
    {alert("please Enter Email Address.");return false}
   
apos=value.indexOf("@");
dotpos=value.lastIndexOf(".");
if (apos<1||dotpos-apos<2) 
  {alert(alerttxt);return false;}
else {return true;}
}
}
function validate_phone(field,alerttxt)
{
 with (field)
  {
    var str =value;
    var re = /^[-]?\d*\.?\d*$/;
    str = str.toString();
     if (value==null||value=="")
    {alert(alerttxt);return false}
    else if (!str.match(re)) 
       {alert("Please specify your Phone Number! Numbers Only");return false}
	else if(value.length >"10" )
	{ alert("Enter correct Phone No.");return false}
	else {return true}
  }
}
/*function validate_Captcha(field,alerttxt)
{

 with (field)
{
    var str=value;
   
    if (value==null||value=="") 
    {alert(alerttxt);return false}
    else if(value.length !="5" )
	{ alert("Enter correct Security code.");return false}
	else {return true}
  }
}*/
function validate_form(thisform)
{
with (thisform)
{
if (validate_name(Name,"Please Enter the Name")==false)
   {Name.focus();return false}
if (validate_phone(Contact_Number,"Please specify your Phone Number!")==false)
  {Contact_Number.focus();return false} 
if (validate_email(email,"Not a valid e-mail address!")==false)
   {email.focus();return false;}
  
 /*if (validate_Captcha(txtCaptcha,"Please specify Security Code!")==false)
   {txtCaptcha.focus();return false}  
  if ( test()==false)
   {txtCaptcha.focus();return false}  
*/ }
}