/* JavaScript functions for validating form */



function validData(formName){

	

	var error_string = "";

	var frm = document.getElementById(formName);

		

	// check the name fields

	if(isEmpty(frm.first_name.value)|| (alpha(frm.first_name.value))){

		error_string += "First Name\n";

		document.getElementById("fname").style.color="#990000";

			

	}else{	

		document.getElementById("fname").style.color="#000";

	}

	

	if(isEmpty(frm.last_name.value)|| (alpha(frm.last_name.value))){

		error_string += "Last Name\n";

		document.getElementById("lname").style.color="#990000";

			

	}else{	

		document.getElementById("lname").style.color="#000";

	}

	

	if(isEmpty(frm.address1.value)){

		error_string += "Address\n";

		document.getElementById("addr").style.color="#990000";

	}else{	

		document.getElementById("addr").style.color="#000";

	}



	//check city field

	if(isEmpty(frm.city.value)|| (alpha(frm.city.value))){

		error_string += "City\n";

		document.getElementById("cty").style.color="#990000";

	}else{	

		document.getElementById("cty").style.color="#000";

	}

	

	// check state/province

		

		if (!isChosen(frm.state)){

			error_string += "State/Province\n";

			document.getElementById("ste").style.color="#990000";

		}else{

			document.getElementById("ste").style.color="#000";

		}	

	

	

	

		//*check phone

	if (checkPhone(frm.phone.value) == true){

		error_string += "Phone Number\n";

		document.getElementById("phoneNum").style.color="#990000";	

	}else{	

		document.getElementById("phoneNum").style.color="#000";

	} 

*/

	//check e-mail

		

		if (checkEmail(frm.email.value) == true){

			error_string += "Your e-mail address\n";	

			document.getElementById("eml").style.color="#990000";

		}else{	

		document.getElementById("eml").style.color="#000";

	}

	

		//check radio buttons for agreeing to terms

		if(frm.agree.checked == true)

		{

			document.getElementById("agreeLbl").style.color="#000";

	

		}else{

			

		error_string += "You must read and agree to the Terms and Disclosure Statement.";

		document.getElementById("agreeLbl").style.color="#990000";

	}

	

		

		

	if(error_string ==""){



		return true;

	}

	

	else{

		error_string = "The following items were not filled in completely: \n\n" +error_string +"\nPlease complete the form.\n Thank you\n\n";

		alert(error_string);

		return false;

	}

}	







// function to test whether text input is empty

function isEmpty(str)

{

    str = trimSp(str);	

    if(str == null || str.length == 0)

    {

	return true;

    }

    else

    {

	return false;

    }

}

  



function alpha(str)

{

    var regEx = /^[A-Za-z]+\s*[\-A-Za-z]*?\s*[\-A-Za-z]*?$/;

    

    str = trimSp(str);

    

    if(!(str.match(regEx)))

    {

		return true;

	

	}else{

		return false;

	}

   

}



  

	

	

function checkPhone(numString){

	

	

        numString = trimSp(numString);	



	var regex=/^\(?\d{3}\)?-?\s*\d{3}\s*?-?\d{4}$/;



	

	if(!(regex.test(numString))) {

		return true;

	}

	

}





	

function checkEmail(addy){



	

	//var emailFilter = /^[a-z][\w\.]*@[\w\.]+\.[a-z]{2,3}/i;

	var emailFilter = /^\w(\.?[\w-])*@\w(\.?[\w-])*\.[a-z]{2,4}$/i;

	var illegalChars = /[\(\)\<\>\,\;\:\\\"[\]]/;

	

	addy=trimSp(addy);

	

	if((addy == "") || (!(emailFilter.test(addy))) || (addy.match(illegalChars))){

		return true;

	}

}





//validate select element

function isChosen(select){

	if(select.selectedIndex==0){

		return false;

	}else{

		return true;

	}

}





function whichBox(str){

	

	var i;

	for (i=0;i<str.length;i++)

	{

	    if (str[i].checked)

	{

		return true;

	}

	}

		return false;

}





function trimSp(str)

{

   return str.replace(/^\s*|\s*$/g,"");

}