// JavaScript Document

////////////////////////////////////////////////////////////////////////////////////////////
function loadContentToDiv(divId, sourceFile)
{
     if (sourceFile != 0)
     {
        if (window.ActiveXObject)
        {
          httpRequest = new ActiveXObject("Microsoft.XMLHTTP");
        } else {
          httpRequest = new XMLHttpRequest();
        }
        httpRequest.open("GET", sourceFile, true);
        httpRequest.onreadystatechange = function () { processLoadContentToDiv(divId); } ;
        httpRequest.send(null);
      }
      else
      {
        document.getElementById(divId).innerHTML = "";
      }
}

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function processLoadContentToDiv(divId)
{
	  if (httpRequest.readyState == 4)
	  {
		if(httpRequest.status == 200)
		{
		  var obj = document.getElementById(divId);
		  obj.innerHTML = httpRequest.responseText;
		}
		else
		{
			alert("Chyba pri nacitani stanky "+ httpRequest.status +":"+ httpRequest.statusText);
		}
	  }
}

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function GetMouseEvent(e)
{
	if(e)
		this.e = e;
	else
		this.e = window.event;
	
	if(e.pageX)
		this.x = e.pageX;
	else
		this.x = e.clientX;
	
	if(e.pageY)
		this.y = e.pageY;
	else
		this.y = e.clientY;
	
	if(e.target)
		this.cil = e.target;
	else
		this.cil = e.srcElement;

}


function opacity(id, opacStart, opacEnd, millisec) {
    //speed for each frame
    var speed = Math.round(millisec / 100);
    var timer = 0;

    //determine the direction for the blending, if start and end are the same nothing happens
    if(opacStart > opacEnd) {
        for(i = opacStart; i >= opacEnd; i--) {
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
            timer++;
        }
    } else if(opacStart < opacEnd) {
        for(i = opacStart; i <= opacEnd; i++)
            {
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
            timer++;
        }
    }
}

//change the opacity for different browsers
function changeOpac(opacity, id) {
    var object = document.getElementById(id).style;
    object.opacity = (opacity / 100);
    object.MozOpacity = (opacity / 100);
    object.KhtmlOpacity = (opacity / 100);
    object.filter = "alpha(opacity=" + opacity + ")";
} 

function shiftOpacity(id, millisec) {
    //if an element is invisible, make it visible, else make it ivisible
    if(document.getElementById(id).style.opacity == 0) {
        opacity(id, 0, 100, millisec);
    } else {
        opacity(id, 100, 0, millisec);
    }
} 



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