function submitform()
{
    var validemail = true;
    validemail=checkMailId(document.frm_mail.txt_email.value)


   if(validemail == true)
       {
           if(document.frm_mail.txt_name.value.length>2)
               {
                   if(document.frm_mail.txt_subject.value=="" || ValidatePhone(document.frm_mail.txt_subject.value))
                    {
                           
                       if(document.frm_mail.txt_message.value.length>5)
                       document.frm_mail.submit();
                       else
                       alert("The message is not enough length");   
                               
                   }
                   else
                   alert("Either you leave the Phone field blank or enter correct Phone Number.");     
               
               }
               else
               alert("You should enter your valid name correctly.");
       }


   
    
    }
//validate e mail address
function checkMailId(mailids)
{
var arr = new Array('.com','.net','.org','.biz','.coop','.info','.museum','.name','.pro'
,'.edu','.gov','.int','.mil','.ac','.ad','.ae','.af','.ag','.ai','.al',
'.am','.an','.ao','.aq','.ar','.as','.at','.au','.aw','.az','.ba','.bb',
'.bd','.be','.bf','.bg','.bh','.bi','.bj','.bm','.bn','.bo','.br','.bs',
'.bt','.bv','.bw','.by','.bz','.ca','.cc','.cd','.cf','.cg','.ch','.ci',
'.ck','.cl','.cm','.cn','.co','.cr','.cu','.cv','.cx','.cy','.cz','.de',
'.dj','.dk','.dm','.do','.dz','.ec','.ee','.eg','.eh','.er','.es','.et',
'.fi','.fj','.fk','.fm','.fo','.fr','.ga','.gd','.ge','.gf','.gg','.gh',
'.gi','.gl','.gm','.gn','.gp','.gq','.gr','.gs','.gt','.gu','.gv','.gy',
'.hk','.hm','.hn','.hr','.ht','.hu','.id','.ie','.il','.im','.in','.io',
'.iq','.ir','.is','.it','.je','.jm','.jo','.jp','.ke','.kg','.kh','.ki',
'.km','.kn','.kp','.kr','.kw','.ky','.kz','.la','.lb','.lc','.li','.lk',
'.lr','.ls','.lt','.lu','.lv','.ly','.ma','.mc','.md','.mg','.mh','.mk',
'.ml','.mm','.mn','.mo','.mp','.mq','.mr','.ms','.mt','.mu','.mv','.mw',
'.mx','.my','.mz','.na','.nc','.ne','.nf','.ng','.ni','.nl','.no','.np',
'.nr','.nu','.nz','.om','.pa','.pe','.pf','.pg','.ph','.pk','.pl','.pm',
'.pn','.pr','.ps','.pt','.pw','.py','.qa','.re','.ro','.rw','.ru','.sa',
'.sb','.sc','.sd','.se','.sg','.sh','.si','.sj','.sk','.sl','.sm','.sn',
'.so','.sr','.st','.sv','.sy','.sz','.tc','.td','.tf','.tg','.th','.tj',
'.tk','.tm','.tn','.to','.tp','.tr','.tt','.tv','.tw','.tz','.ua','.ug',
'.uk','.um','.us','.uy','.uz','.va','.vc','.ve','.vg','.vi','.vn','.vu',
'.ws','.wf','.ye','.yt','.yu','.za','.zm','.zw');

var mai = mailids;
var val = true;
var beforeat="";
var afterat="";
var afterat2="";

var dot=mai.lastIndexOf(".");
var con=mai.substring(dot, mai.length);
con=con.toLowerCase();
con=con.toString();

for(var i=0;i<(arr.length);i++)
{
	if(con == arr[i])
	{
		val=true;
		break;
	}
	else
	{
		val=false;
	}
}

var att=mai.lastIndexOf("@");
beforeat=mai.substring(0,att);
beforeat=beforeat.toLowerCase();
beforeat=beforeat.toString();
var asci1=beforeat.charCodeAt(0);

afterat=mai.substring(att+1, dot);
afterat=afterat.toLowerCase();
afterat=afterat.toString();

afterat2=mai.substring(att+1, mai.length);
afterat2=afterat2.toLowerCase();
afterat2=afterat2.toString();

if(beforeat=="" || afterat=="" || beforeat.length>30)
	val=false;

if(afterat2.length>64 || afterat.length<2)
	val=false;

if((afterat.charCodeAt(0))==45 || (afterat.charCodeAt(afterat.length-1))==45)
	val=false;

if(val==true)
{
	if(asci1 > 47 && asci1 < 58)
		val=false;
		
	if(asci1 < 48 || asci1 > 57)
	{
		for(var i=0; i<=beforeat.length-1; i++)
		{
			var asci2=beforeat.charCodeAt(i);
			if((asci2<=44 || asci2==47) || (asci2>=58 && asci2<=94) || (asci2==96) || (asci2>=123 && asci2<=127))
			{
				val=false;
				break;
			}
		}
		
		for(var j=0; j<=afterat.length-1; j++)
		{
			var asci3=afterat.charCodeAt(j);
			if((asci3<=44) || (asci3==46) || (asci3==47) || (asci3>=58 && asci3<=96) || (asci3>=123 && asci3<=127))
			{
				val=false;
				break;
			}
		}	
	}
}

if(val==false)
{
	alert("Your maild " + mai + " is not valid");
        document.frm_mail.txt_email.focus();
        //document.frm_mail.txt_email.value="";

	return false;
}
else
{
	return true;
}
}

/////////////////////////////////////////////


function ParseUSNumber(PhoneNumberInitialString)
  {
    
    var FmtStr="";
    var index = 0;
    var LimitCheck;

    if(PhoneNumberInitialString=="")
    {
        return FmtStr;
    }

    LimitCheck = PhoneNumberInitialString.length;
    while (index != LimitCheck)
      {
        if (isNaN(parseInt(PhoneNumberInitialString.charAt(index))))
          { }
        else
          { FmtStr = FmtStr + PhoneNumberInitialString.charAt(index); }
        index = index + 1;
      }
    if (FmtStr.length == 10)
      {
        FmtStr = "(" + FmtStr.substring(0,3) + ") " + FmtStr.substring(3,6) + "-" + FmtStr.substring(6,10);
      }
    else
      {
        FmtStr=PhoneNumberInitialString;
        alert("United States phone numbers must have exactly ten digits.");
      }
    return FmtStr;
  }

function ValidatePhone(phoneNumber) 
{
        var regPhone = /^(\+\d)*\s*(\(\d{3}\)\s*)*\d{3}(-{0,1}|\s{0,1})\d{2}(-{0,1}|\s{0,1})\d{2}$/; 
        if (phoneNumber.match(regPhone))
        {
                return true;
        }
        else
        {
        alert("Enter a Valid US Phone No");
        return false;
        }
}