function showcat( catid ){
	if(catid){
		for (var x = 1; x <= 8; x++)
	   	{
	   		if(document.getElementById('cat_id_' + x)){
				document.getElementById('cat_id_' + x).style.display = "none";
	   		}
			if(document.getElementById('cat_' + x)){
				document.getElementById('cat_' + x).className = "";
				document.getElementById('cat_' + x).onmouseout= function() { this.className=""; }
	   		}
		}
		
		document.getElementById('cat_' + catid).onmouseout= function() { this.className="teamtitleactive"; }
		document.getElementById('cat_id_' + catid).style.display = "";
		document.getElementById('cat_' + catid).className = "teamtitleactive";
	}
}
function CheckNewsletter() {
	var name = document.getElementById("nameId").value;
	var email = document.getElementById("emailId").value;
	var k=0; var err="";
	if (name=="") {k=1;err="Naam is verplicht!!\n";}
	if (email=="") {k=1;err=err+"E-Mail is verplicht!\n";}
	if (k==1) {
		alert(err);
	} else {
		if (checkEmail(email)==0) { alert("E-Mail is verplicht!!\n"); }
		else document.tt_address_form.submit();
	}
}

function checkEmail(email) {
	if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(email) ) {
		return (1)
	} return 0;
}

function CheckNewsletterEN() {
	var name = document.getElementById("nameId").value;
	var email = document.getElementById("emailId").value;
	var k=0; var err="";
	if (name=="") {k=1;err="Name is required!!\n";}
	if (email=="") {k=1;err=err+"E-Mail is required!\n";}
	if (k==1) {
		alert(err);
	} else {
		if (checkEmailEN(email)==0) { alert("E-Mail is required!!\n"); }
		else document.tt_address_form.submit();
	}
}

function checkEmailEN(email) {
	if (/^\w+([\.-]?\w+)*@\w+([\.-]?\w+)*(\.\w{2,3})+$/.test(email) ) {
		return (1)
	} return 0;
}