// check for either an email address or phone number

function checkBoth (strng, strng2) {
var error="";
    if (strng == "" && strng2 == "") {
       error = "Please enter either a phone number or an email address.\n";
    }
    else if (strng != "") {
	var emailFilter=/^.+@.+\..{2,3}$/;
	if (!(emailFilter.test(strng))) { 
	    error = "Please enter a valid email address.\n";
	}
	else {
	//test email for illegal characters
	       var illegalChars= /[\(\)\<\>\,\;\:\\\"\[\]]/
        	if (strng.match(illegalChars)) {
	          error = "The email address contains illegal characters.\n";
	       }
	}
    }
    else if (strng2 != "") {
	var stripped = strng2.replace(/[\(\)\.\-\ ]/g, ''); //strip out acceptable non-numeric characters
	if (isNaN(parseInt(stripped))) {
	    error = "The phone number contains illegal characters.";
	}
	if (stripped.length < 10) {
		error = "The phone number is the wrong length. Make sure you included an area code.\n";
	}
    }
return error;    
}

// email

function checkEmail (strng) {
var error="";
if (strng == "") {
   error = "You didn't enter an email address.\n";
}

    var emailFilter=/^.+@.+\..{2,3}$/;
    if (!(emailFilter.test(strng))) { 
       error = "Please enter a valid email address.\n";
    }
    else {
//test email for illegal characters
       var illegalChars= /[\(\)\<\>\,\;\:\\\"\[\]]/
         if (strng.match(illegalChars)) {
          error = "The email address contains illegal characters.\n";
       }
    }
return error;    
}


// phone number - strip out delimiters and check for 10 digits

function checkPhone (strng) {
var error = "";
if (strng == "") {
   error = "You didn't enter a phone number.\n";
}

var stripped = strng.replace(/[\(\)\.\-\ ]/g, ''); //strip out acceptable non-numeric characters
    if (isNaN(parseInt(stripped))) {
       error = "The phone number contains illegal characters.";
  
    }
return error;
}


// password - between 6-8 chars, uppercase, lowercase, and numeral

function checkPassword (strng) {
var error = "";
if (strng == "") {
   error = "You didn't enter a password.\n";
}

    var illegalChars = /[\W_]/; // allow only letters and numbers
    
    if ((strng.length < 6) || (strng.length > 8)) {
       error = "The password is the wrong length.\n";
    }
    else if (illegalChars.test(strng)) {
      error = "The password contains illegal characters.\n";
    } 
    else if (!((strng.search(/(a-z)+/)) && (strng.search(/(A-Z)+/)) && (strng.search(/(0-9)+/)))) {
       error = "The password must contain at least one uppercase letter, one lowercase letter, and one numeral.\n";
    }  
return error;    
}    


// username - 4-10 chars, uc, lc, and underscore only.

function checkUsername (strng) {
var error = "";
if (strng == "") {
   error = "You didn't enter a username.\n";
}


    var illegalChars = /\W/; // allow letters, numbers, and underscores
    if ((strng.length < 4) || (strng.length > 10)) {
       error = "The username is the wrong length.\n";
    }
    else if (illegalChars.test(strng)) {
    error = "The username contains illegal characters.\n";
    } 
return error;
}       


// non-empty textbox

function isEmpty(strng) {
var error = "";
  if (strng.length == 0) {
     error = "Please enter your name\n"
  }
return error;	  
}

// was textbox altered

function isDifferent(strng) {
var error = ""; 
  if (strng != "Can\'t touch this!") {
     error = "You altered the inviolate text area.\n";
  }
return error;
}

// exactly one radio button is chosen

function checkRadio(checkvalue) {
var error = "";
   if (!(checkvalue)) {
       error = "Please check a radio button.\n";
    }
return error;
}

// valid selector from dropdown list

function checkDropdown(choice) {
var error = "";
    if (choice == 0) {
    error = "You didn't choose an option from the drop-down list.\n";
    }    
return error;
}    


function preloadImages() { 
	cssjsmenu('servicesDropDown')
	if( document.getElementById('navbar') ) {
		var kill = document.getElementById('hoverJS');
		kill.disabled = true;
	}

	if(document.images) {
		img1 = new Image();
		img1.src = "images/nav/nav_home_over.gif";
	
		//img2 = new Image();
		//img2.src = "images/nav/nav_services_over.gif";
	
		img3 = new Image();
		img3.src = "images/nav/nav_quote_over.gif";
	
		img4 = new Image();
		img4.src = "images/nav/nav_contact_over.gif";
	}
}



function openCC(url) {
        nothing=window.open(url,"","width=600,height=400,scrollbars=yes,resizable=yes")
}