var arVersion = navigator.appVersion.split("MSIE")
var version = parseFloat(arVersion[1])


function next(){
	
	dd=document.getElementById('pozapreview'+curentelement);
	tid=document.getElementById('titlupreview'+curentelement);
		curentelement++;
	dn=document.getElementById('pozapreview'+curentelement);
	tin=document.getElementById('titlupreview'+curentelement);
	if(dn){
		dd.style.display='none';
		dn.style.display='block';
		tid.style.display='none';
		tin.style.display='block';
		return true;
	
	} else {
	curentelement--;
	if(curentelement<0)
		curentelement=0;
		return false;
	}

}
function previous(){
	
	dd=document.getElementById('pozapreview'+curentelement);
	tid=document.getElementById('titlupreview'+curentelement);
		curentelement--;
		if(curentelement<0)
			curentelement=0;
			
	dn=document.getElementById('pozapreview'+curentelement);
	tin=document.getElementById('titlupreview'+curentelement);
	
	if(dn){
		dd.style.display='none';
		dn.style.display='block';
		tid.style.display='none';
		tin.style.display='block';
		return true;
	
	} else {
	curentelement++;
	if(curentelement<0)
		curentelement=0;
	}
	return false;

}




function fixPNG(myImage) 
{

    if ((version >= 5.5) && (version <7) && (document.body.filters)) 
    {
       var imgID = (myImage.id) ? "id='" + myImage.id + "' " : ""
	   var imgClass = (myImage.className) ? "class='" + myImage.className + "' " : ""
	   var imgTitle = (myImage.title) ? 
		             "title='" + myImage.title  + "' " : "title='" + myImage.alt + "' "
	   var imgStyle = "display:inline-block;" + myImage.style.cssText
	   var strNewHTML = "<span " + imgID + imgClass + imgTitle
                  + " style=\"" + "width:" + myImage.width 
                  + "px; height:" + myImage.height 
                  + "px;" + imgStyle + ";"
                  + "filter:progid:DXImageTransform.Microsoft.AlphaImageLoader"
                  + "(src=\'" + myImage.src + "\', sizingMethod='scale');\"></span>"
	   myImage.outerHTML = strNewHTML	  
    }
}




function calculateh(){

	var browser=navigator.appName;
	var conh=document.getElementById('parent-content').offsetHeight;
	var headh=document.getElementById('header').offsetHeight;
	var footh=document.getElementById('footer').offsetHeight;
	//var menuh=document.getElementById('menu').offsetHeight;
	switch(browser){
	case 'Opera':
	
	wheight=document.documentElement.clientHeight-25;
	
	break;
	case 'Netscape':
	wheight=document.documentElement.clientHeight -25;
	break;
	case 'Microsoft Internet Explorer':
	wheight=document.documentElement.clientHeight  -25;
	break;
	}
	rr=wheight-headh-conh-footh;

	if(rr>0){
	document.getElementById('gunoi').style.height=rr.toString()+"px";
	}
	
}









function updateClock ( )
{
	var today=new Date();
	var clock_h=today.getHours();
	var clock_m=checkTime(today.getMinutes());
	var clock_s=checkTime(today.getSeconds());
	// add a zero in front of numbers<10
	//clock_m=checkTime(clock_m);
	//clock_s=checkTime(clock_s);
	document.getElementById('clock').innerHTML=clock_h+":"+clock_m+":"+clock_s;
	//document.getElementById('clock').firstChild.nodeValue=clock_h+":"+clock_m+":"+clock_s;
	//document.ceas.clock.value=clock_h+":"+clock_m+":"+clock_s;
	setTimeout('updateClock()',500);
}



function checkTime(myDigit)
{
if (myDigit<10)
  {
  myDigit="0" + myDigit;
  }
return myDigit;
}