function PreLoad(ttt,arg) 
{ 

	rslt = new Image();
	rslt.src = arg;
     rslt.name = ttt;
	return rslt;
}




function showBig(id,cat,width,height){
	window.open('show_big.php?id='+id,"win","width="+(width+10)+",height="+height);
	//win.document.getElementById("img_place").innerHTML = "<img src='img/catalog/" + cat + "/" + id + ".jpg' />";
}

function setPointer(theRow, thePointerColor, theNormalBgColor,theDiv,theAct)
{
    var theCells = null;

    if (thePointerColor == '' || typeof(theRow.style) == 'undefined') {
        return false;
    }
    if (typeof(document.getElementsByTagName) != 'undefined') {
        theCells = theRow.getElementsByTagName('td');
    }
    else if (typeof(theRow.cells) != 'undefined') {
        theCells = theRow.cells;
    }
    else {
        return false;
    }

    var rowCellsCnt  = theCells.length;
    var currentColor = null;
    var newColor     = null;
    // Opera does not return valid values with "getAttribute"
    if (typeof(window.opera) == 'undefined'
        && typeof(theCells[0].getAttribute) != 'undefined' && typeof(theCells[0].getAttribute) != 'undefined') {
        currentColor = theCells[0].getAttribute('bgcolor');
        newColor     = (currentColor.toLowerCase() == thePointerColor.toLowerCase())
                     ? theNormalBgColor
                     : thePointerColor;
        for (var c = 0; c < rowCellsCnt; c++) {
            theCells[c].setAttribute('bgcolor', newColor, 0);
        } // end for
    }
    else {
        currentColor = theCells[0].style.backgroundColor;
        newColor     = (currentColor.toLowerCase() == thePointerColor.toLowerCase())
                     ? theNormalBgColor
                     : thePointerColor;
        for (var c = 0; c < rowCellsCnt; c++) {
            theCells[c].style.backgroundColor = newColor;
        }
    }

    if  (theAct == 'hide'||theAct == 'show') {
	z_showHideLayers(theDiv,theAct);
	}
    return true;
} // end of the 'setPointer()' function