function validateForm(formName){

  if(formName == 'user'){
//	alert("user");
   }


for(var j=0; j <document.forms.length; j++){
 // alert(document.forms[j].name);
  for (var i=0; i < document.forms[j].elements.length; i++) {
  //alert(document.forms[j].elements[i].name);
 }
}

  valid = true;
  error_msg = "";
  msg1 = "";
  msg2 = "";
  msg3 = "";
  msg4 = "";


  cellPhoneValid = true;
  zipCodeValid = true;
  emailValid = true;

  //formFirstName = eval("document.form" + formName + "[first_name].value"); 	
//  formFirstName = eval("document.form.user[first_name].value"); 	
 // alert(formFirstName);

  valid=false;

// tie together the behalf of and other fields

   error_msg = msg1 + msg2 + msg3 + msg4;
   if (error_msg != ""){
      alert(error_msg);
   }
   
   if (valid) {
    alert("form data is valid");
   }

   return valid;
}

function checkNumbers(testField){
   var valid = true;
   var checkDigits = "0123456789";
   var checkStr = testField;

   for (i = 0;  i < checkStr.length;  i++){
       chr = checkStr.charAt(i);
       for (j =0; j < checkDigits.length; j++){
           
           if(chr == checkDigits.charAt(j)){
	    break;
           }
	   
	   if (j == checkDigits.length-1){
	     valid = false;
           }
      }
   }
 return valid;
}


//email validation 

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 E-mail ID")
		   return false
		}

		if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr){
		   alert("Invalid E-mail ID")
		   return false
		}

		if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr){
		    alert("Invalid E-mail ID")
		    return false
		}

		 if (str.indexOf(at,(lat+1))!=-1){
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot){
		    alert("Invalid E-mail ID")
		    return false
		 }

		 if (str.indexOf(dot,(lat+2))==-1){
		    alert("Invalid E-mail ID")
		    return false
		 }
		
		 if (str.indexOf(" ")!=-1){
		    alert("Invalid E-mail ID")
		    return false
		 }

 		 return true					
}