function usphoneValidation(ssn) {
var matchArr = ssn.match(/^(\d{3})-?\d{3}-?\d{4}$/);
var numDashes = ssn.split('-').length - 1;
if (matchArr == null || numDashes == 1) {
//alert('Invalid Phone number. Must be 10 digits or in the form NNN-NNN-NNNN.');
alert('Invalid Phone Number');
msg = "does not appear to be valid";
//document.form1.phone.focus();
return false;
}
else 
if (parseInt(matchArr[1],10)==0) {
alert("Invalid Phone number: Phone number can't start with 000.");
msg = "does not appear to be valid";
//document.form1.phone.focus();
return false;
}
/*else {
msg = "appears to be valid";
alert(ssn + "\r\n\r\n" + msg + " Social Security Number.");
document.form1.firstname.focus();   
   }*/
return true;
}
function echeck(str) {
		var at="@";
		var dot=".";
		var lat=str.indexOf(at);
		var lstr=str.length;
		var ldot=str.indexOf(dot);
		if (str.indexOf(at)==-1){
		   alert("Invalid Email Address");
		   return false;
		}
		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid Email Address");
		   return false;
		}
		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid Email Address");
		    return false;
		}
		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid Email Address");
		    return false;
		 }
		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid Email Address");
		    return false;
		 }
		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid Email Address");
		    return false;
		 }
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid E-mail ID");
		    return false;
		 }
 		 return true;					
	}