function popup(url, title, W, H, features){
	var X = Math.ceil((window.screen.availWidth - W) / 2);
	var Y = Math.ceil((window.screen.availHeight - H) / 2);
	features = "width=" + W + ", height=" + H + ", left=" + X + ", top=" + Y + ", " + features;
	open(url, title, features);
}
function openWin1(url) {
	window.open(url, 'url', "toolbar=0,location=0,directories=0,status=0,menubar=no,scrollbars=no,resizable=no,width=500,height=500");
}
function dashMe(obj, i) {
	if(obj.value.length > i && obj.value.substr(i, 1) != "-") {
		obj.value = obj.value.substr(0, i) + "-" + obj.value.substr(i, obj.value.length);
	}
}
function showAnswer(obj){
	var sObj = document.getElementById('ans_' + obj);
	var sObjLng = document.getElementById('ans_lng_' + obj);
	if( sObj.style.display == 'block' ){
		sObj.style.display = 'none';
		sObjLng.style.display = 'block';
	}else{
		sObj.style.display = 'block';
		sObjLng.style.display = 'none';
	}
}

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 MM_preloadImages() { //v3.0
 var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
   var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
   if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}