function numberValidate(val)
{
	    for(var i=0;i<val.length;i++)
		 {
		   if(!isDigit(val.charAt(i)))
			  {
				alert("Please enter digits");				
				return false;
			  }
		 }
}

function isDigit(num) {
	if (num.length>1){return false;}
	var string="1234567890";
	if (string.indexOf(num)!=-1){return true;}
	return false;
	}

function emptyvalidation(entered, alertbox)
{
	with (entered)
	{
		while (value.charAt(0) == ' ')
			value = value.substring(1);
		while (value.charAt(value.length - 1) == ' ')
			value = value.substring(0, value.length - 1);
		if (value==null || value=="")
		{
			if (alertbox!="") alert(alertbox);
			return false;
		}
		else return true;
	}
}


function emailvalidation(entered,alertbox)
{
	with (entered)
	{
		lastpos=value.length-1;//Total Letters
		apos=value.indexOf("@"); //Total letters before @
		dotpos=value.lastIndexOf(".");//Total letters before .
		beforeStr=value.substring(0,apos);
		afterStr=value.substring(apos);
		dotafatpos=afterStr.indexOf(".");
		udslpos=beforeStr.lastIndexOf("_");
		dotfpos=beforeStr.indexOf(".");
		dotlpos=beforeStr.lastIndexOf(".");
		if (apos<1 || dotpos-apos<2 || lastpos-dotpos>3 || lastpos-dotpos<2 || dotfpos!=dotlpos || apos-1==udslpos || dotafatpos==1) 
		{if (alertbox) {alert(alertbox);} return false; }
		else {return true;}
	}
}
//script for accepting multiple email address with multiple dots 
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 sd = mailids;
var ids = sd.split(",");
var val = true;
var beforeat="";
var afterat="";
var afterat2="";
var invalid=false;


for(var j=0; j<(ids.length); j++)
{
	var temp = "wrong";
	var mai = ids[j];

	if(mai.charCodeAt(mai.length-1)==13)
		mai=mai.substring(0,mai.length-1);
	
	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])
		{
			temp='right';
		}
	}

	if(temp=="wrong")
		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 k=0; k<=beforeat.length-1; k++)
			{
				var asci2=beforeat.charCodeAt(k);
				if((asci2<=44 || asci2==47) || (asci2>=58 && asci2<=94) || (asci2==96) || (asci2>=123 && asci2<=127))
				{
					val=false;
					break;
				}
			}
		
			for(var m=0; m<=afterat.length-1; m++)
			{
				var asci3=afterat.charCodeAt(m);
				if((asci3<=44) || (asci3==46) || (asci3==47) || (asci3>=58 && asci3<=96) || (asci3>=123 && asci3<=127))
				{
					val=false;
					break;
				}
			}	
		}
	}
	
	if(val==false)
	{
		invalid=true;
		break;
	}
}
if(invalid==true)
{
	return false;
}
else
{
	return true;
}

}

//for checking image extension	
function getFileType(formobj,field) {
 var formElement = field;
 var filePath = field.value;
 var pathLength = filePath.length;
 var lastDot = filePath.lastIndexOf(".");
 var fileType = filePath.substring(lastDot,pathLength);
 return fileType;
 }
 
function inArray(array,val){
 for(var i = 0; i < array.length; i++)
 { 
  if(array[i] === val) return true; 
  } 
 return false; 

 }