var isNN = document.layers ? true : false;
var isIE = document.all ? true : false;
var mouseX = 0;
var mouseY = 0;

function init() {
	if ( isNN )
		document.captureEvents(Event.MOUSEMOVE)
}
	document.onmousemove = handleMouseMove;

function handleMouseMove(evt) {
	mouseX = isNN ? evt.pageX : window.event.clientX;
	mouseY = isNN ? evt.pageY : window.event.clientY;
	//window.status = "Mouse: X="+mouseX+",Y="+mouseY;
	return false;
}

function showTips() {
	document.getElementById('tipsbox').style.display='block';
	//document.getElementById('tipsbox').style.left = (mouseX - 200) + "px";
	mouseY = window.scrollY + (window.innerHeight / 2) - 200;
	//alert(mouseY);
	document.getElementById('tipsbox').style.top = mouseY + "px";
	//document.getElementById('tipsbox').style.left = ((window.innerWidth / 2) - 150) + "px";
	//document.getElementById('tipsbox').style.top = window.scrollY + "px";
	//alert(window.scrollY);
}

function sendTips() {
	var form = document.getElementById('tipsform');
	if(form.email.value.match(/^[\w-_\.]*[\w-_\.]\@[\w-_\.]*\.+[\w]{2,4}$/gi) == null) {
    	alert("Felaktig e-postadress. Måste vara i formen aaa@aaa.aaa.");
    	form.email.focus();
    }
    else if(form.from.value.trim() == "") {
    	alert("Din vän vill säkert veta vem tipset kommer ifrån?");
    	form.from.focus();    	
    }
    else {
    	form.submit();
    }
    void(0);
}