function rollover(name,over) { 
if(window.document.images) { if (over) window.document.images[name].src = "/_img/" + name + "_o.jpg";
	else window.document.images[name].src =  "/_img/" + name + ".jpg"; }
}
function MM_preloadImages() {
 var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
 var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
 if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}
function showElement(elementId) {
d = document.getElementById("" + elementId + "");
if (d.style.display=='none') { d.style.display='';		
} else { d.style.display='none';}
}

function showElement2(elementId) {
d = document.getElementById("" + elementId + "");
d1 = document.getElementById('domeny');
d2 = document.getElementById('mysql');
d3 = document.getElementById('webhosting');
d4 = document.getElementById('sprava');
d5 = document.getElementById('email');
d6 = document.getElementById('system');
d1.style.display='none';
d2.style.display='none';
d3.style.display='none';
d4.style.display='none';
d5.style.display='none';
d6.style.display='none';
d.style.display='';
//if (d.stsle.display=='none') { d.style.display='';
//} else { d.style.display='none';}
}

function MM_callJS(jsStr) { //v2.0
  return eval(jsStr)
}