/* 
     code by PIT @ 2013 www.petrvrestiak.com 
     tested on: Safari4-7,MSIE6-10,Firefox3-12,Opera10,Chrome26
     version no folders,colors
     */
     
     var curObj = 3;
     var swapBgPcs = 1;
     var countObj = 3;
     var countObjInc = 4;
     var startTimeInt = 80;
     var startSpeedTimeInt = 30;
     var stopTimeInt = 3300;
     var curOpacity = 11;
     var nextCall;
     var nextSpeedCall;
     var revertDirection = true;
     var initSlow = true;
     var curBTBObj = 1;
     var curBTBOpacity = 10;
     var opacityClassArr = new Array('opintX','opint0','opint1','opint2','opint3','opint4','opint5','opint6','opint7','opint8','opint9','opint10');
     var colorsJsArr = new Array('000000');
     var pcsJsArr = new Array();
     
     // onload set pcs without css
     document.getElementById('header-pcs-js').style.background="url(./gallery/bannery/5.jpg) 50% 50% no-repeat";
     
    // preload
    if (document.images) {
       pcs1 = new Image();      pcs1.src = "./gallery/bannery/2.jpg";
       pcsJsArr[1] = "./gallery/bannery/2.jpg";
       pcs2 = new Image();      pcs2.src = "./gallery/bannery/6.jpg";
       pcsJsArr[2] = "./gallery/bannery/6.jpg";
       pcs3 = new Image();      pcs3.src = "./gallery/bannery/5.jpg";
       pcsJsArr[3] = "./gallery/bannery/5.jpg";
     }
     
     // set banner titles colors
     for (var i = 1; i < countObjInc; i++) {
       //document.getElementById("pcs-info-"+i).style.color="#"+colorsJsArr[i]+"";
       //document.getElementById("bTitle"+i).style.color="#"+colorsJsArr[i]+"";
     }
     
     function changeMainPcs(id,type) {
       
       // first stop slideshow
       if (type!=2) {
         clearTimeout(nextCall);
         clearTimeout(startSpeedTimeInt);
         
         // reset vars
         curOpacity = 11;
         curBTBOpacity = 10;
         initSlow = true;
         
         // set actual pos.
         curObj = id;
         if (id==countObj) {
           swapBgPcs = 1;
         } else {
           swapBgPcs = id+1;
         }
         document.getElementById('header-pcs-js').style.background="url("+pcsJsArr[id]+") 50% 50% no-repeat";
       }
       
       // all elms
       for (var i = 1; i < countObjInc; i++) {
         if (i==id) {
           document.getElementById("pcs-next-"+i).className="active";
           //document.getElementById("pcs-next-"+i).style.background="url(./pcs/dott-pcs-blue.png)";
           document.getElementById("pcs-info-"+i).className="show";
         } else {
           document.getElementById("pcs-next-"+i).className="next";
           //document.getElementById("pcs-next-"+i).style.background="url(./pcs/dott-pcs-green.png)";
           document.getElementById("pcs-info-"+i).className="hide";
         }
       }
       
       // change main pcs
       document.getElementById('header-pcs').style.background="url("+pcsJsArr[id]+") 50% 50% no-repeat";
     }
     
     function changeOpacity (objInt,sendObj) {
       if (sendObj>0) {
         curObj = sendObj;
       }
       
       if (initSlow==true) {
         initSlow = false;
         nextCall = setTimeout("changeOpacity(curOpacity,curObj)",stopTimeInt);
       } else {
       
       if (document.getElementById) {
         document.getElementById('header-pcs-js').className = opacityClassArr[objInt];
       }
       
       if (curOpacity>0) {
         if (curOpacity>1) {
           curOpacity = curOpacity-1;
           if (curOpacity==9) { // change bg
             document.getElementById('header-pcs').style.background="url("+pcsJsArr[swapBgPcs]+") 50% 50% no-repeat";
             changeBTBOpacity(curObj);
           }
           if (curOpacity==4) {
           }
           nextCall = setTimeout("changeOpacity(curOpacity,curObj)",startTimeInt);
         } else {
           curOpacity = 10;
           if (swapBgPcs==countObj) {
             swapBgPcs = 1;
           } else {
             swapBgPcs = swapBgPcs+1;
           }
           if (curObj<countObj) {
             curObj = curObj+1;
           } else {
             curObj = 1;
           }
           document.getElementById('header-pcs-js').style.background="url("+pcsJsArr[curObj]+") 50% 50% no-repeat";
           nextCall = setTimeout("changeOpacity(curOpacity,curObj)",stopTimeInt);
         }
       } else { // walk to next photo
         curOpacity = 11;
         nextCall = setTimeout("changeOpacity(curOpacity,curObj)",stopTimeInt);
       }
       }
       
     }
     
     function changeBTBOpacity (objInt) {
       if (document.getElementById && 1>1) {
         document.getElementById('header-pcs-info').className = opacityClassArr[objInt];
       }
       
       if (curBTBOpacity<11) {
         if (revertDirection) {
           curBTBOpacity = curBTBOpacity-1;
           
           if (curBTBOpacity<2) {
             revertDirection = false;
             curBTBObj = curObj;
             if (curBTBObj<countObj) {
               curBTBObj = curBTBObj+1;
             } else {
               curBTBObj = 1;
             }
             changeMainPcs(curBTBObj,2);
             nextSpeedCall = setTimeout("changeBTBOpacity(curBTBOpacity)",startSpeedTimeInt);
           }
         } else {
           curBTBOpacity = curBTBOpacity+1;
         }
         if (curBTBOpacity==10) {
           // swap obj
         } else {
           nextSpeedCall = setTimeout("changeBTBOpacity(curBTBOpacity)",startSpeedTimeInt);
         }
       } else {
         revertDirection = true;
         curBTBOpacity = 10;
       }
       
     }
     
     changeOpacity(1,curObj);