var timer;
var uroven = 1;
var menuID = new Array();

function hide_menu(uroven,time){
	this.uroven = uroven;
	this.timer = setTimeout("hide('')",time);
}
function hide(uroven){
	var od = (uroven == '') ? this.uroven : uroven;
	for(var i=od; i<this.menuID.length; i++){
		if(document.getElementById(this.menuID[i]) != undefined){
			document.getElementById(this.menuID[i]).style.display = 'none';
		}
	}
}

function show(uroven,id){
	if(document.getElementById(id) != undefined){
		clearTimeout(this.timer);
		this.menuID[uroven] = id;
		document.getElementById(id).style.display = 'block';
	}
}

function wait(){
	clearTimeout(this.timer);
}

function set_position(top,left,idMenu){
	if(document.getElementById(idMenu) != undefined){
	    if(document.body.clientWidth >= 780){
    		document.getElementById(idMenu).style.top = top + 'px';
	    	document.getElementById(idMenu).style.left = (document.body.clientWidth/2 + left) + 'px';
	    } else {
    		document.getElementById(idMenu).style.top = top + 'px';
	    	document.getElementById(idMenu).style.left = (780/2 + left) + 'px';
	    }
	}
}

function set_left_position(top,left,idMenu){
	if(document.getElementById(idMenu) != undefined){
	   	document.getElementById(idMenu).style.top = top + 'px';
    	document.getElementById(idMenu).style.left = left + 'px';
	}
}

// pozicia

/* 

DESCRIPTION: These functions find the position of an <A> tag in a document,
so other elements can be positioned relative to it.

COMPATABILITY: Netscape 4.x,6.x,Mozilla, IE 5.x,6.x on Windows. Some small
positioning errors - usually with Window positioning - occur on the 
Macintosh platform.

FUNCTIONS:
getAnchorPosition(anchorname)
  Returns an Object() having .x and .y properties of the pixel coordinates
  of the upper-left corner of the anchor. Position is relative to the PAGE.

getAnchorWindowPosition(anchorname)
  Returns an Object() having .x and .y properties of the pixel coordinates
  of the upper-left corner of the anchor, relative to the WHOLE SCREEN.

NOTES:

1) For popping up separate browser windows, use getAnchorWindowPosition. 
   Otherwise, use getAnchorPosition

2) Your anchor tag MUST contain both NAME and ID attributes which are the 
   same. For example:
   <A NAME="test" ID="test"> </A>

3) There must be at least a space between <A> </A> for IE5.5 to see the 
   anchor tag correctly. Do not do <A></A> with no space.
*/ 

// getAnchorPosition(anchorname)
//   This function returns an object having .x and .y properties which are the coordinates
//   of the named anchor, relative to the page.

function set_submenu_position(name,idMenu,posun) {
	var e = document.getElementById(idMenu);
	var winW,winH;
	if (parseInt(navigator.appVersion)>3) {
 		if (navigator.appName=="Netscape") {
  			winW = window.innerWidth;
  			winH = window.innerHeight;
 		}
 		if (navigator.appName.indexOf("Microsoft")!=-1) {
  			winW = document.body.offsetWidth;
  			winH = document.body.offsetHeight;
 		}
	}
	
	if(e != undefined){
		//alert(getElementHeight(idMenu));
        var c = getAnchorPosition(name);
		e.style.left = (c.x+posun) + 'px';
		if (getElementHeight(idMenu)+c.y <= winH) {
   			e.style.top = c.y + 'px';
		}
		else {
			e.style.top = (c.y - getElementHeight(idMenu) + 15) + 'px';
		}
	}
}

function getElementHeight(Elem) {
		if(document.getElementById) {
			var elem = document.getElementById(Elem);
		} else if (document.all){
			var elem = document.all[Elem];
		}
		xPos = elem.offsetHeight;
		return xPos;
}

function getElementWidth(Elem) {
	if(document.getElementById) {
		var elem = document.getElementById(Elem);
	} else if (document.all){
		var elem = document.all[Elem];
	}
	xPos = elem.offsetWidth;
	return xPos;
}


function getAnchorPosition(anchorname) {
	// This function will return an Object with x and y properties
	var useWindow=false;
	var coordinates=new Object();
	var x=0,y=0;
	// Browser capability sniffing
	var use_gebi=false, use_css=false, use_layers=false;
	if (document.getElementById) { use_gebi=true; }
	else if (document.all) { use_css=true; }
	else if (document.layers) { use_layers=true; }
	// Logic to find position
 	if (use_gebi && document.all) {
		x=AnchorPosition_getPageOffsetLeft(document.all[anchorname]);
		y=AnchorPosition_getPageOffsetTop(document.all[anchorname]);
		}
	else if (use_gebi) {
		var o=document.getElementById(anchorname);
		x=AnchorPosition_getPageOffsetLeft(o);
		y=AnchorPosition_getPageOffsetTop(o);
		}
 	else if (use_css) {
		x=AnchorPosition_getPageOffsetLeft(document.all[anchorname]);
		y=AnchorPosition_getPageOffsetTop(document.all[anchorname]);
		}
	else if (use_layers) {
		var found=0;
		for (var i=0; i<document.anchors.length; i++) {
			if (document.anchors[i].name==anchorname) { found=1; break; }
			}
		if (found==0) {
			coordinates.x=0; coordinates.y=0; return coordinates;
			}
		x=document.anchors[i].x;
		y=document.anchors[i].y;
		}
	else {
		coordinates.x=0; coordinates.y=0; return coordinates;
		}
	coordinates.x=x;
	coordinates.y=y;
	return coordinates;
	}

// getAnchorWindowPosition(anchorname)
//   This function returns an object having .x and .y properties which are the coordinates
//   of the named anchor, relative to the window
function getAnchorWindowPosition(anchorname) {
	var coordinates=getAnchorPosition(anchorname);
	var x=0;
	var y=0;
	if (document.getElementById) {
		if (isNaN(window.screenX)) {
			x=coordinates.x-document.body.scrollLeft+window.screenLeft;
			y=coordinates.y-document.body.scrollTop+window.screenTop;
			}
		else {
			x=coordinates.x+window.screenX+(window.outerWidth-window.innerWidth)-window.pageXOffset;
			y=coordinates.y+window.screenY+(window.outerHeight-24-window.innerHeight)-window.pageYOffset;
			}
		}
	else if (document.all) {
		x=coordinates.x-document.body.scrollLeft+window.screenLeft;
		y=coordinates.y-document.body.scrollTop+window.screenTop;
		}
	else if (document.layers) {
		x=coordinates.x+window.screenX+(window.outerWidth-window.innerWidth)-window.pageXOffset;
		y=coordinates.y+window.screenY+(window.outerHeight-24-window.innerHeight)-window.pageYOffset;
		}
	coordinates.x=x;
	coordinates.y=y;
	return coordinates;
	}

// Functions for IE to get position of an object
function AnchorPosition_getPageOffsetLeft (el) {
	var ol=el.offsetLeft;
	while ((el=el.offsetParent) != null) { ol += el.offsetLeft; }
	return ol;
	}
function AnchorPosition_getWindowOffsetLeft (el) {
	return AnchorPosition_getPageOffsetLeft(el)-document.body.scrollLeft;
	}	
function AnchorPosition_getPageOffsetTop (el) {
	var ot=el.offsetTop;
	while((el=el.offsetParent) != null) { ot += el.offsetTop; }
	return ot;
	}
function AnchorPosition_getWindowOffsetTop (el) {
	return AnchorPosition_getPageOffsetTop(el)-document.body.scrollTop;
	}
    
    function fade(id,n){
        for(i=1; i<=n; i++){
            if(i == id){
                document.getElementById('m'+i).className = 'm'+i;
            } else {
                document.getElementById('m'+i).className = 'm'+i+'_fade';
            }
        }
    }
    
    function unfade(n,active){
        if(active){
            for(i=1; i<=n; i++){
                if(i == active){
                    document.getElementById('m'+i).className = 'm'+i;
                } else {
                    document.getElementById('m'+i).className = 'm'+i+'_fade';
                }
            }
        } else {
            for(i=1; i<=n; i++){
                document.getElementById('m'+i).className = 'm'+i;
            }
        }
    }