var lastSrc;

function imgOver(pic) { lastSrc = pic.src; pic.src=eval(pic.name+'Over').src; }
function imgOut(pic) { pic.src = lastSrc; lastSrc=0; }

function portfolioShow(id,width,height) {
    
  var scroll=0;
  if ((width>screen.availWidth-20)) {
    width=screen.availWidth-20;
    height+=16;
    scroll=1;
   }
   if (height>screen.availHeight-30) {
    height=screen.availHeight-30;
    if (width<=screen.availWidth-36 ) width+=16;
      scroll=1;
   }

   wportfolio=window.open("portfolio.php?id="+id,'p'+id,'width='+width+',height='+height+',scrollbars='+scroll+',left=0,top=0');
   //wportfolio=window.open("portfolio.php?id="+id,'p'+id,'width='+width+',height='+height+',scrollbars=1,left=0,top=0');

}


// za toto opravdu nemuzu
function deVK(pic) { pic.style.filter="progid:DXImageTransform.Microsoft.BasicImage(grayScale=0,opacity=1);" }
function zaVK(pic) { pic.style.filter="progid:DXImageTransform.Microsoft.BasicImage(grayScale=1,opacity=0.6);" }