//rowNb
var nWork = 1;
var oldWork =0;
var newsText = ["","<h1>news 1</h1> dgs hfsgh fsghsfgh", "<h1>news 2</h1> ert ezyt zrturzyu", "<h1>news 3</h1> cxvb csbv sfghs gh", "<h1>news 4</h1>"];
var dir;
var mvnt;
var mvntLenght = 498;
var smlMvntLenght = 135*4;
var fisrtSmallThumbNb = 1;
var back = 0;
var fwd = 1;
var nbMvmnt = 0;
var start = 0;

var lftBigMove = function() {
  oldWork = nWork;
  var divPosition = parseInt($('thumbs-container').getStyle('left'));
	$('thumbs-container').tween('left', divPosition-610);
	nWork++;
	highlight(oldWork, nWork);
	$('hthumb-text').set({html: newsText[nWork]});
}

/*var newsMvmnt = function(dir) {
  oldWork = nWork;
  if(dir=='fwd'){
    mvnt = mvntLenght*-1;
    nWork++;
  }else{
    mvnt = mvntLenght;
    nWork--;
  }
	var divPosition = parseInt($('thumbs-container').getStyle('left'));
	$('thumbs-container').tween('left', divPosition+mvnt);
	
	highlight(oldWork, nWork); 
	$('hthumb-text').set({html: newsText[nWork]});   	
}
*/
var smallThumbsMvmnt = function(dir) {
  if(dir=='fwd'){
    mvnt = smlMvntLenght*-1;
    fisrtSmallThumbNb++;
  }else{
    mvnt = smlMvntLenght;
    fisrtSmallThumbNb--;
  }
	var divPosition = parseInt($('thumbs-small-container').getStyle('left'));
	$('thumbs-small-container').tween('left', divPosition+mvnt);
	if(start == 0){
    $('slideRight').addEvent('click', function(){smallThumbsMvmnt('bck')})
    start = 1;	
	}
	
	var myValues = $('thumb-small8').getPosition();
	if(fisrtSmallThumbNb == rowNb){
	 $('slideLeftDv').setStyle('visibility', 'hidden');
  }else{
    $('slideLeftDv').setStyle('visibility', 'visible');
  }	
 
	if(fisrtSmallThumbNb == 1){
	 $('slideRightDv').setStyle('visibility', 'hidden');
  }else{
    $('slideRightDv').setStyle('visibility', 'visible');
  }	 

	return false;

}


var focus = function(pos){
  //alert('current'+nWork+'newpos'+pos); 
  oldWork = nWork;
  if(pos != nWork){
    $('thumbs-container').tween('left', (pos-1)*-mvntLenght);
  }
	nWork = pos;
	highlight(oldWork, nWork);
	$('hthumb-text').set({html: newsText[nWork]});    	     
}      


var highlight = function(oldWork, nWork){
    var tNews = 'news'+oldWork;
    $(tNews).fade('.2');
    var nNews = 'news'+nWork;
    $(nNews).fade('1');        
}