function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}


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


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

function checkFields(){

	

		var error = "";
		if (remove_white_space(document.getElementById('Name')) == ""){
			error = " - Name\n";
		}
		
		if ((remove_white_space(document.getElementById('Phone')) == "") && (document.form1.contactMethod[0].checked))
		{
			error += " - Phone Number\n";	
		}
		
		if ((document.form1.contactMethod[1].checked) && !isEmail(document.getElementById('Email').value)){
			error += " - Valid Email Address\n";
		}		
		
		if (remove_white_space(document.getElementById('Subject')) == ""){
			error += " - Subject\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 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 isEmail(src) {
	 if (src != "")
	 {
		 return true;
	 } else {
		return false; 
	 }
     var regex = new RegExp(emailReg);
     if (regex.test(src)) return true;
	 else return false;
  }