function getValues(){
	var lblAnswer = getElement("lblAnswer");
	var rbSizeType = getElement("rbSizeType_0");
	var ddConnection = getElement("ddConnection");
	var iMultiplier;
	var dSize;
	var iSeconds;
	var sTime;
	
	var txtSize = getElement("txtSize");
	dSize = txtSize.value;
	
	if (rbSizeType.checked == false) {
		iMultiplier = 1048576; // bytes/MB
	} else {
		iMultiplier = 1024; // bytes/KB
	}
	
	dSize = Math.round(dSize * 8 * iMultiplier);
	
	var speedVar = new Array(9);  // (bits/second)
	speedVar[0] = 28000;
	speedVar[1] = 36000;
	speedVar[2] = 55000;
	speedVar[3] = 64000;
	speedVar[4] = 128000;
	speedVar[5] = 128000;
	speedVar[6] = 192000;
	speedVar[7] = 384000;
	speedVar[8] = 768000;
	speedVar[9] = 15000000;
	
	iSeconds = Math.round(dSize / speedVar[ddConnection.selectedIndex - 1]); // (bits/ bits/second) = seconds
	
	sTime = ists_zahl(iSeconds);
	
	if(sTime == -1)
	{
	lblAnswer.style.display = "Block";
	lblAnswer.innerHTML = "     Input error !"
	lblAnswer.style.color = "RED";               //Ausgabeformat
	lblAnswer.style.fontSize = "10pt";
	lblAnswer.style.fontWeight = "bold";
	}
	else
	{
	lblAnswer.style.display = "Block";
	lblAnswer.innerHTML = "Estimated time: " + sTime; //String basteln
	lblAnswer.style.color = "RED";               //Ausgabeformat
	lblAnswer.style.fontSize = "10pt";
	lblAnswer.style.fontWeight = "bold";
	}
}


function ists_zahl(wort)   //Benutzereingabe überprüfen
   { 
      var ist_zahl = 1;
      var i;

	if (wort == "")
	  {
	  ist_zahl = 0;
	  }

       else
	  { 
	  
         wort = wort / 1;
	   if(isNaN(wort))
		{ist_zahl = 0;}
	  }

      if(ist_zahl == 1)
        {
          wort = getTime(wort);
	  return wort;
        }
      else
      {
         return -1;
     }  
   } 


function getTime(pass_seconds) // Sekunden in  der Variable
        {
	var stdTime;          //neue Var
	var mTime;
	
	if(pass_seconds)

	sTime = pass_seconds / 3600;     //Umrechnung
	stdTime = Math.floor(sTime);     //Stunden abspalten
	sTime = Math.round((sTime - stdTime) * 60);
	
	sTime = stdTime + " hours  " + sTime + " minutes";
	
	return sTime;
}

function clearValues(){
	var lblAnswer = getElement("lblAnswer");
	var ddConnection = getElement("ddConnection");
	var txtSize = getElement("txtSize");
	
	lblAnswer.style.display = "None";
	lblAnswer.innerHTML = "";
	txtSize.value = "";
	ddConnection.selectedIndex = 0;
}
		
function getElement(pass_ID){
	var elementName = pass_ID;
	var elm = null;
	if (document.getElementById)
	{
		// browser eingebauter Teil von  W3C DOM HTML
		// Gecko, Internet Explorer 5+, Opera 5+
		elm = document.getElementById(elementName);
	}
	else if (document.all)
	{
		// Internet Explorer 4 oder Opera mit IE user agent
		elm = document.all[elementName];
	}
	else if (document.layers)
	{
		// Navigator 4
		elm = document.layers[elementName];
	}
	
	if (!elm) 
	{
		
	}
	else if (elm.style)
	{
		return elm;				
	}
}

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];}} 
} 

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 MM_openBrWindow(theURL,winName,features) { //v2.0 
window.open(theURL,winName,features); 
} 

function MM_reloadPage(init) { //reloads the window if Nav4 resized 
if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) { 
document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }} 
else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload(); 
} 
MM_reloadPage(true); 

function MM_showHideLayers() { //v6.0 
var i,p,v,obj,args=MM_showHideLayers.arguments; 
for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2]; 
if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; } 
obj.visibility=v; } 
}