function setBG(obj) {
  obj.style.backgroundImage="url(img/tabfull.jpg)";
}
function resetBG(obj) {
  obj.style.backgroundImage="url(img/tableer.jpg)";
}
function setBG2(obj) {
  obj.style.backgroundImage="url(../img/tabfull.jpg)";
}
function resetBG2(obj) {
  obj.style.backgroundImage="url(../img/tableer.jpg)";
}
function cutHex(h) {return (h.charAt(0)=="#") ? h.substring(1,7):h}
function HexToR(h) {return parseInt((cutHex(h)).substring(0,2),16)}
function HexToG(h) {return parseInt((cutHex(h)).substring(2,4),16)}
function HexToB(h) {return parseInt((cutHex(h)).substring(4,6),16)}
function StrHexToRGB(hex){
return HexToR(h)+","+HexToG(h)+","+HexToB(h);
}