backArrow = new Image();
backArrow.src = "fileadmin/css/images/bt_back.gif";
backArrowOver = new Image();
backArrowOver.src = "fileadmin/css/images/bt_back-rollover.gif";

nextArrow = new Image();
nextArrow.src = "fileadmin/css/images/bt_next.gif";
nextArrowOver = new Image();
nextArrowOver.src = "fileadmin/css/images/bt_next-rollover.gif";

function changeBackArrow(picObject) {
	window.document.images["back"].src = picObject.src;
}

function changeNextArrow(picObject) {
	window.document.images["next"].src = picObject.src;
}

function changeBack2Arrow(picObject) {
	window.document.images["back2"].src = picObject.src;
}

function changeNext2Arrow(picObject) {
	window.document.images["next2"].src = picObject.src;
}

function OpenWindow (Adresse) {
  newwin = window.open(Adresse, "intangesInterviewer", "width=970, height=830, scrollbars=yes,left=0,top=0, resizable=yes, location=no");
  newwin.focus();
}

function setOffset(tdId) {
    var menuLayers = document.getElementsByTagName("DIV");
    var tblObj = document.getElementById(tdId);
    var tdsObj = tblObj.getElementsByTagName('TD');
    var DivOffset = 527;
    var tdPosCorr = getPosition(tdsObj[0]);
//    alert(tdPosCorr.left);
    var Corr = 88 - tdPosCorr.left;
	for (i=0; i<tdsObj.length; i++) {
       var tdPos = getPosition(tdsObj[i]);
	   var offsetM =  tdPos.left - DivOffset + Corr;
	   var j = i + 5;
	   var k = (i-1) / 3  ;
	   if (j % 3 == 0){ 
	      menuLayers[k].style.marginLeft = offsetM; 
	   }
   }
}

function getPosition(obj) {
   var pos = {left:0, top:0};
   if(typeof obj.offsetLeft != 'undefined') {
      while (obj){
         pos.left += obj.offsetLeft;
         pos.top += obj.offsetTop;
         obj = obj.offsetParent;
      }
   }
   else
   {
      pos.left = obj.left ;
      pos.top = obj.top ;
   }
   return pos;
}

function getBrowser () {
	alert (navigator.userAgent);
	if (navigator.userAgent.indexOf("Opera") != -1)
{
    return 3;
}
else if (navigator.appName.indexOf("Explorer") != -1)
{
   return 1;
}
else if (navigator.appName.indexOf("Netscape") != -1)
{
    return 2;
}
else
{
    return 0;
}

}

function InterviewLink(href, surveyNumber) {
  var params = window.location.search;
  //params = params.replace("?user", "&user");
  //params = params.replace("?id=46&L=0&code", "&user");
  //params = params.replace("?id=46&L=1&code", "&user");
  params = params.replace("&ticket", "&pwd");
  window.location.href = href + params + "&survey=" + surveyNumber;
}