var MouseX=0;
var MouseY=0;

function SetMouse(x,y) {
  MouseX = x;
  MouseY = y;
  }


menu1_off= new Image();
menu1_off.src="./_images/_menu_bg1.gif";

menu1_off= new Image();
menu1_off.src="./_images/_menu_bg2.gif";

menu1_off= new Image();
menu1_off.src="./_images/_menu_1.jpg";
menu1_on= new Image();
menu1_on.src="./_images/_menu_1.jpg";

menu2_off= new Image();
menu2_off.src="./_images/_menu_3.jpg";
menu2_on= new Image();
menu2_on.src="./_images/_menu_3.jpg";

menu3_off= new Image();
menu3_off.src="./_images/_menu_4.jpg";
menu3_on= new Image();
menu3_on.src="./_images/_menu_4.jpg";

menu4_off= new Image();
menu4_off.src="./_images/_menu_5.jpg";
menu4_on= new Image();
menu4_on.src="./_images/_menu_5.jpg";

menu5_off= new Image();
menu5_off.src="./_images/_menu_6.jpg";
menu5_on= new Image();
menu5_on.src="./_images/_menu_6.jpg";

menu6_off= new Image();
menu6_off.src="./_images/_menu_7.jpg";
menu6_on= new Image();
menu6_on.src="./_images/_menu_7.jpg";


var menu1offset=0;
var menu2offset=0;
var menu3offset=0;
var menu4offset=0;
var menu5offset=0;
var menu6offset=0;

var menu1alpha=100;
var menu2alpha=100;
var menu3alpha=100;
var menu4alpha=100;
var menu5alpha=100;
var menu6alpha=100;

var mSteps = 3;

d=document;l=(d.layers)?1:0;op=navigator.userAgent.toLowerCase().indexOf('opera')!=-1;ie=(d.all)?1:0;

function getObj(name) {
  if (document.getElementById)
    {this.obj = document.getElementById(name);
    this.style = document.getElementById(name).style;}
  else if (document.all)
    {this.obj = document.all[name];
    this.style = document.all[name].style;}
  else if (document.layers)
    {this.obj = document.layers[name];
    this.style = document.layers[name];}
}

function Start() {
  menu1object = new getObj("menu1item");
  menu2object = new getObj("menu2item");
  menu3object = new getObj("menu3item");
  menu4object = new getObj("menu4item");
  menu5object = new getObj("menu5item");
  menu6object = new getObj("menu6item");
}

function Ukaz(id) {
  eval(id+"object.style.display='';");
  eval(id+"object.style.filter='alpha(opacity:100)';");
  eval(id+"offset="+mSteps+";");
  //eval(id+"link.src="+id+"_on.src;");
}
function Udrz(id) {
  eval(id+"offset="+mSteps+";");
}
function Shod(id) {
  eval(id+"offset=0;");
  eval(id+"object.style.display='none';");
  //eval(id+"link.src="+id+"_off.src;");
}

function Loopuj() {
  for(c=1;c<=6;c++) {
    eval("temp=menu"+c+"offset;");
    if(temp>1) {
      eval("menu"+c+"offset--;");
    }
    else if(temp==1) {
      //Shod("menu"+c);
      Ztrat("menu"+c);
      eval("menu"+c+"offset--;");
    }
  }
  setTimeout("Loopuj()",500);
}

function Ztrat(id) {
  eval("temp1="+id+"alpha--");
  eval("temp2="+id+"offset;");
  eval(id+"object.style.filter='alpha(opacity:"+temp1+")';");
  eval(id+"alpha-=25");
  if(temp1>0 && temp2<=1) {
    setTimeout("Ztrat('"+id+"')",100);
  }
  else {
    Shod(id);
    eval(id+"alpha=100");
  }
}

function SetOpacity(id,opval) {
  opobj = new getObj(id);
  opobj.style.filter="alpha(opacity:"+opval+")";
}

function winW() {
  if(window.innerWidth) {
    return window.innerWidth;
  }
  else {
    return d.body.clientWidth;
  }
}

function winH() {
  if(window.innerHeight) {
    return window.innerHeight;
    }
  else {
    return d.body.clientHeight;
  }
}

function DisplayNone(id) {
  tempobj = new getObj(id);
  tempobj.style.display='none';
}


var sX;
var sY;
var rX;
var rY;
var down;
function str2int(text) {
 return text.substring(0,text.indexOf("px"))*1;
}

function mouseDown(event) {
  RN_moving = true;
  sX = event.clientX;
  sY = event.clientY;
  rX = sX - str2int(rn_obj.style.left);
  rY = sY - str2int(rn_obj.style.top);
  down = true;
}

function mouseMove(event) {
  if(down) {
    nx = event.clientX;
    ny = event.clientY;
    rn_obj.style.left = (nx - rX)+'px';
    rn_obj.style.top = (ny - rY)+'px';
    sX = nx;
    sY = ny;
  }
}

function mouseUp()
{
    down = false;
}

function mouseOut(event) {
  if(down) {
    nx = event.clientX;
    ny = event.clientY;
    rn_obj.style.left = (nx - rX)+'px';
    rn_obj.style.top = (ny - rY)+'px';
    sX = nx;
    sY = ny;
  }
}