var src1_1 = new Array ("", "img/top/button/podg1.gif", "img/top/button/comp1.gif", "img/top/button/olmp1.gif", "img/top/button/othr1.gif", "img/top/button/stud1.gif");
  var src2_1 = new Array ("", "img/top/button/podg2.gif", "img/top/button/comp2.gif", "img/top/button/olmp2.gif", "img/top/button/othr2.gif", "img/top/button/stud2.gif");
  var src3_1 = new Array ("", "img/top/button/podg3.gif", "img/top/button/comp3.gif", "img/top/button/olmp3.gif", "img/top/button/othr3.gif", "img/top/button/stud3.gif");
  var src4_1 = new Array ("", "img/top/button/podg4.gif", "img/top/button/comp4.gif", "img/top/button/olmp4.gif", "img/top/button/othr4.gif", "img/top/button/stud4.gif");


  var src1_2 = new Array ("", "../img/top/button/podg1.gif", "../img/top/button/comp1.gif", "../img/top/button/olmp1.gif", "../img/top/button/othr1.gif", "../img/top/button/stud1.gif");
  var src2_2 = new Array ("", "../img/top/button/podg2.gif", "../img/top/button/comp2.gif", "../img/top/button/olmp2.gif", "../img/top/button/othr2.gif", "../img/top/button/stud2.gif");
  var src3_2 = new Array ("", "../img/top/button/podg3.gif", "../img/top/button/comp3.gif", "../img/top/button/olmp3.gif", "../img/top/button/othr3.gif", "../img/top/button/stud3.gif");
  var src4_2 = new Array ("", "../img/top/button/podg4.gif", "../img/top/button/comp4.gif", "../img/top/button/olmp4.gif", "../img/top/button/othr4.gif", "../img/top/button/stud4.gif");

  var state = new Array(0,1,1,1,1,1);

  if (document.images) {
      var imgs = document.images
  }
  	


  function fClean (cs)
  {
    if (!document.images) return;

    var j;
    var buttons = new Array("", imgs["podg"], imgs["comp"], imgs["olmp"], imgs["othr"], imgs["stud"]);
    var src1,src2,src3,src4;

    if (cs == 1) { src1 = src1_1; src2 = src2_1; src3 = src3_1; src4 = src4_1; }
    else         { src1 = src1_2; src2 = src2_2; src3 = src3_2; src4 = src4_2; } 

    for (j=1; j<6; j++)  { buttons[j].src = src1[j]; state[j] = 1;}
  }


  function fClick (imgnum, cs)
  {
    if (!document.images) return;

    var j;
    var buttons = new Array("", imgs["podg"], imgs["comp"], imgs["olmp"], imgs["othr"], imgs["stud"]);
    var src1,src2,src3,src4;

    if (cs == 1) { src1 = src1_1; src2 = src2_1; src3 = src3_1; src4 = src4_1; }
    else         { src1 = src1_2; src2 = src2_2; src3 = src3_2; src4 = src4_2; } 

    for (j=1; j<6; j++)
    {
         if(j != imgnum)  { buttons[j].src = src1[j]; state[j] = 1;} 
         else             { buttons[j].src = src3[j]; state[j] = 3;}
    }
  }



  function fMOut (imgnum, cs)
  {

    if (!document.images) return;
    var buttons = new Array("", imgs["podg"], imgs["comp"], imgs["olmp"], imgs["othr"], imgs["stud"]);

    var src1,src2,src3,src4;
    if (cs == 1) { src1 = src1_1; src2 = src2_1; src3 = src3_1; src4 = src4_1; }
    else         { src1 = src1_2; src2 = src2_2; src3 = src3_2; src4 = src4_2; } 
  
    if (state[imgnum] == 2 )  {buttons[imgnum].src = src1[imgnum]; state[imgnum] = 1; }
  }
	

  function fMOver (imgnum, cs)
  {
    if (!document.images) return;

    var buttons = new Array("", imgs["podg"], imgs["comp"], imgs["olmp"], imgs["othr"], imgs["stud"]);

    var j;
    var src1,src2,src3,src4;
    if (cs == 1) { src1 = src1_1; src2 = src2_1; src3 = src3_1; src4 = src4_1; }
    else         { src1 = src1_2; src2 = src2_2; src3 = src3_2; src4 = src4_2; } 

    if (state[imgnum] != 3)
    {
       for(j=1; j<6; j++)
       {
         if (j != imgnum) {
                            if (state[j] != 3) {  buttons[j].src = src1[j]; state[j] = 1;}
         } else {
                            buttons[j].src = src2[j]; state[j] = 2;
         }
       }
    }
  }