function refreshImg(){
	document.getElementById('theImage').src = 'random_image.php?p=' + Math.random();
}

function checkFields(){

	

		var error = "";
		if (remove_white_space(document.getElementById('Name')) == ""){
			error = " - Name\n";
		}
	
		if ((remove_white_space(document.getElementById('Phone')) == "") && (!isEmail(document.getElementById('Email').value))){
			error += " - Phone and/or Email\n";
		} 
	
		if (!remove_white_space(document.getElementById('Email'))){ // there is an email address
			if (!isEmail(document.getElementById('Email').value)) error += " - Email\n";
		}
		
		if (remove_white_space(document.getElementById('Subject')) == ""){
			error += " - Nature of Enquiry\n";
		}
	
		if (remove_white_space(document.getElementById('Message')) == ""){
			error += " - Message\n";
		}
		
		if ((document.form1.contactMethod[1].checked) && !isEmail(document.getElementById('Email').value)){
			error += " \n\nPlease enter a valid email address so we can contact you.\n";
		}
	
		if (error) alert("The following fields are incorrect:\n\n"+error);
		else {
			if (remove_white_space(document.getElementById('ImageValue')) == ""){
				document.getElementById('ImageValue').focus();
				alert("Please enter the six letters or digits that appear in the image in the space provided.");
			} else {
				document.form1.submit();
			}
		}
}



function remove_white_space(field){
     return (field.value).replace(/^\s*|\s*$/g,'');
}

function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function isEmail(src) {
     var emailReg = "^[\\w-_\.]*[\\w-_\.]\@[\\w]+[\.]{1}[\\w]+[\.]?[\\w]+$";
     var regex = new RegExp(emailReg);
     if (regex.test(src)) return true;
	 else return false;
  }