// Dynamic Iframe loader
function loadIframe(theURL) {
	document.getElementById("mainContent").src=theURL;
}

// resizes Iframe according to content
function resizeMe(obj){ 
docHeight = mainContent.document.body.scrollHeight+25
 obj.style.height = docHeight + 'px'
 } 
 
 // resizes Iframe according to content
function uprav(obj){ 
docHeight = artContent.document.body.scrollHeight
 obj.style.height = docHeight + 'px'
 }

 
 var Lst;

function CngClass(obj){
 document.getElementById('today').className='';
 if (Lst) Lst.className='';
 obj.className='active';
 Lst=obj;
}


function setClass(){
document.getElementById('today').className='active';
}