// ImgShift.js
//
// S.Bisgaard
//--------------------------------------------------

  var ImgArr = new Array;
	var ImgMax;
	var ImgIdxLeft;		// Index of Left-most Picture	
	var ImgWindowSize; 
  var ImgLeftMax;
	var Language;

//--------------------------------------------------
function ShowPage2(pg)
{
/* virker
	var obj = $('pos');
	obj.update('Bøhh');
*/

  var obj = window.top.document.getElementById('frmMain');
	obj.src = pg;

	return false;
}

//--- Handling Large Images ------------------------

function ShowPicture(PicNo)
{
  var Idx = xIdxLeft + PicNo - 1;
	var s = '';
	var s2 = '';

  switch (Idx)
	{
	  case 1:  s = 'strprdkt_4.jpg'; break;
	  case 2:  s = 'strprdkt_5.jpg'; break;
	  case 3:  s = 'strprdkt_6.jpg'; break;
	  case 4:  s = 'strprdkt_7.jpg'; break;
	  case 5:  s = 'strprdkt_8.jpg'; break;
	  case 6:  s = 'strprdkt_9.jpg'; break;
	  case 7:  s = 'strprdkt_10.jpg'; break;
	  case 8:  s = 'strprdkt_11.jpg'; break;
	  case 9:  s = 'strprdkt_12.jpg'; break;
		default:
		  alert('Outside Temp-Limit: '+PicNo+ '   '+Idx+ '   '+xIdxLeft  );
			break;				
	} 
	s2 = 'images/'+s;
	
	$('frame1').src = 'images/'+s;
	
}


//--- Handle Language ----------------------------

function HandleLanguage(lng)
{
	var s = '';
	Language=lng;

  switch(Language) {
	  case 'dk': s = '..dk..'; break;	
	  case 'uk': s = '..uk..'; break;	
	  case 'de': s = '..de..'; break;	
	}
}


//--- Handling Thumbnails ------------------------

  function LoadPics(idx)
	{
	  $('Img1').src = ImgArr[idx];
	  $('Img2').src = ImgArr[idx+1];
	  $('Img3').src = ImgArr[idx+2];
	  $('Img4').src = ImgArr[idx+3];
	  $('Img5').src = ImgArr[idx+4];
	  $('Img6').src = ImgArr[idx+5];
	} 

  function PicInit(lang)
	{
		HandleLanguage(lang);
		
	 // ImgArr[1] = "images/prdkt_1.jpg";
	 // ImgArr[2] = "images/prdkt_2.jpg";
	 // ImgArr[3] = "images/prdkt_3.jpg";
	  ImgArr[1] = "images/prdkt_4.jpg";
	  ImgArr[2] = "images/prdkt_5.jpg";
	  ImgArr[3] = "images/prdkt_6.jpg";
	  ImgArr[4] = "images/prdkt_7.jpg";
	  ImgArr[5] = "images/prdkt_8.jpg";
	  ImgArr[6] = "images/prdkt_9.jpg";
	  ImgArr[7] = "images/prdkt_10.jpg";
	  ImgArr[8] = "images/prdkt_11.jpg";
	  ImgArr[9] = "images/prdkt_12.jpg";
	  //ImgArr[10] = "images/prdkt_13.jpg";
	  //ImgArr[11] = "images/prdkt_14.jpg";
		
		ImgWindowSize = 5;
		ImgMax = 9;
		ImgIdxLeft = 1;
		ImgLeftMax = ImgMax - ImgWindowSize +1;
		
		LoadPics(ImgIdxLeft);
	}

  function PicNext()
	{
	  var idx;
		// Shift a WindowSize (if poss)
		idx = ImgIdxLeft + ImgWindowSize;
		if (idx > ImgLeftMax) {
		  idx = ImgLeftMax;
		}
		ImgIdxLeft = idx;
	}

  function PicPrev()
	{
	  var idx;
		idx = ImgIdxLeft - ImgWindowSize;
		if (ImgIdxLeft > ImgWindowSize)
		  idx = ImgIdxLeft - ImgWindowSize;
		else
		  idx = 1;
		ImgIdxLeft = idx;		
	}

  function ShowNext()
	{
	  if (ImgIdxLeft < ImgLeftMax) {
	    PicNext();
		  LoadPics(ImgIdxLeft);
		}
	}

  function ShowPrev()
	{
	  if (ImgIdxLeft > 1) {
			PicPrev();
			LoadPics(ImgIdxLeft);
		}
	}