// JavaScript Document
function checkNaN(formelement,text)
{
	if (isNaN(formelement.value))

	{

  alert('Enter Numeric '+text);

  formelement.focus();

	return false;

  }

	else

	{

	return true;

	}

}



function checkEmail(formelement,text)	

{

	if(formelement.value!='')

	{

		var b=formelement.value.indexOf('@');

		var c=formelement.value.indexOf('.');

		var d=c-b;

		var len=formelement.value.length;

	

		if((d==0)||(c==-1)||(b==-1)||(d==1)||((len-c)==1))

		{

			alert("Enter a valid "+text);

			formelement.focus();

			return false;

		}

		else

		{

			return true;

		}

	}

}
function checkBlank(formelement,text)

{

	if (formelement.value=='')

	{

  alert('Enter '+text);

  formelement.focus();

	return false;

  }

	else

	{

	return true;

	}

}

function validate_feedback()

	{	

		if(!checkBlank(document.login_frm1.txt_fname,'Name')) return false;
		
		if(!checkBlank(document.login_frm1.txt_org,'Organisation Name.')) return false;
		
		if(!checkBlank(document.login_frm1.txt_phone,'Telephone No.')) return false;
		
		if(!checkNaN(document.login_frm1.txt_phone,'Telephone No.')) return false;
		
		if(!checkBlank(document.login_frm1.txt_emailid,'Email address')) return false;
		
		if(!checkEmail(document.login_frm1.txt_emailid,'Email Address')) return false;
	
	}

function fisherYates ( myArray ) {
  var i = myArray.length;
  while ( --i ) {
     var j = Math.floor( Math.random() * ( i + 1 ) );
     var tempi = myArray[i];
     var tempj = myArray[j];
     myArray[i] = tempj;
     myArray[j] = tempi;
   }
}