/*  MAIN MENU for IE6  */
var bsIE6 = (navigator.appName == "Microsoft Internet Explorer" && navigator.userAgent.indexOf("MSIE 7") == -1);

function menu()
{
	if (bsIE6)
	{
		var navRoot = document.getElementById("menu");
		for (i=0; i<navRoot.childNodes.length; i++)
		{
			node = navRoot.childNodes[i];
			if (node.nodeName=="LI")
			{
				node.onmouseover=function()
				{ this.className+=" hover"; }
				node.onmouseout=function()
				{ this.className=this.className.replace(" hover", ""); }
			}
		}
	}
}



window.onload = function() {
	menu();
}

function checkform(){
    var error = 0;
    var errorstring = "De volgende velden zijn niet correct ingevuld:\n";

    if(document.formulier.naam.value == ""){
        errorstring += "- Naam\n";
        error = 1;
    }
   
    if(document.formulier.emailadres.value == ""){
        errorstring += "- Email\n";
        error = 1;
    }
    else{
        email = document.formulier.emailadres.value;
        aapje = email.indexOf("@");
        punt = email.indexOf(".");
        if(aapje == -1 || punt == -1){
            errorstring += "- Email (ongeldig formaat)\n";
            error = 1;
        }
    }

    if(error==0)
    {
       return true;
    }
    else
    {
        alert(errorstring);
        return false;
    }
}