var huhu = 0;
var b = 0;
var c = 0;

/*var IE = document.all?true:false;
document.onmousemove = getMouseXY;
var tempX = 0;
var tempY = 0;
*/

function LupaNapovedaOn(ob) {
	document.getElementById(ob).style.display = "block";
}

/*function getMouseXY(e) {
    if (IE) { // grab the x-y pos.s if browser is IE
        tempX = event.clientX + document.body.scrollLeft;
        tempY = event.clientY + document.body.scrollTop;
    }
    else {  // grab the x-y pos.s if browser is NS
        tempX = e.pageX;
        tempY = e.pageY;
    }
} */


function LupaNapovedaOff(ob) {
     document.getElementById(ob).style.display = "none";
}


function LupaOn(ob) {
       //LupaNapovedaOff('lupa_napoveda');
	   document.getElementById(ob).style.opacity = 0.0;
       document.getElementById(ob).style.filter = "alpha(opacity=0)";
var txt = '';
    b = 0;
    c = 0;
     if (window.getSelection)
    {
        txt = window.getSelection();
    }
    else if (document.getSelection)
    {
        txt = document.getSelection();
    }
    else if (document.selection)
    {
        txt = document.selection.createRange().text;
    }
    else
     return;
        //document.aform.selectedtext.value =  txt;
     txt = '<h1>Lupa</h1><div class="stred1"><div class="obsah">'+txt+'</div><div class="lupa_pata">Kliknutím kdekoliv na lupu se lupa zavøe.</div></div><div class="spodek1"></div>';
     document.getElementById(ob).innerHTML = txt;


     //document.getElementById(a).style.opacity = 0.5;
     document.getElementById(ob).style.display = "block";
     huhu = setTimeout("svetlo('"+ob+"')",100);


}

function svetlo(ob) {
	if(c == 100) {
        clearTimeout(huhu);
	}
    else {
    	b += 0.1;
        c += 10;
        document.getElementById(ob).style.filter = "alpha(opacity="+c+")";
        document.getElementById(ob).style.opacity = b;
        setTimeout("svetlo('"+ob+"')",100);
    }


}


function LupaOff(ob) {
   document.getElementById(ob).style.display = "none";
   clearTimeout(huhu);
}