// JavaScript Document
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 openWindow(sdogpage,sdogname,sParam){
	window.open(sdogpage, sdogname, sParam);
	return;
}


function ContactFormValidate(){
  var ErrorCtr
  var ErrorField
  var checkEmail;
  var checkStr;
  var EmailValid;
  var EmailAt;
  var EmailPeriod;
	 
  ErrorCtr = 0;
  ErrorField = "";

  with (self.document){
	
  	if (ContactForm.Email.value.length == 0){
  	  ErrorField = " - Email\n";
      ErrorCtr++;
	}
	else {
			checkStr = ContactForm.Email.value;
			checkEmail = "@.";
			EmailValid = false;
			EmailAt = false;
			EmailPeriod = false;
			
			for (i = 0;  i < checkStr.length;  i++){
			
	            ch = checkStr.charAt(i);
				
	  			if (ch == "@"){ 
				  EmailAt = true;
				}	
				
				if (ch == "."){
			      EmailPeriod = true;
				}  
			
			}
			
			EmailValid = EmailAt & EmailPeriod;
			

      if (!EmailValid){
  	    ErrorCtr = ErrorCtr + 20;
	  }
    }

      if (ContactForm.Name.value.length == 0){
  	  ErrorField = ErrorField + " - Naam\n";
 	  ErrorCtr++;
    }

    if (ErrorCtr > 0){
	  if (ErrorCtr == 20){
	   alert("*Het opgegeven emailadres is niet geldig* \n");
	   return false;
      }
	  else{ 
        if (ErrorCtr > 20){
	      alert("*Het opgegeven emailadres is niet geldig*\n \n *De onderstaande gegevens zijn verplicht in te vullen.\n" + ErrorField);
          return false;
	    }
	    else {
	     alert("*De onderstaande gegevens zijn verplicht in te vullen.\n" + ErrorField);
         return false;
	    } 
	  }	
	}
	else {
        return true;
	}
  }
}


function autotab(original,destination){
  if (original.getAttribute&&original.value.length==original.getAttribute("maxlength"))
     destination.focus()
}