function jsSetBgWhenAjaxSearch(elId, classNameValue) {
	var tableId; 
 	tableId = document.getElementById(elId);
	tableId.className = classNameValue;
	//setAjaxSearchMsg('ajaxMsg', 'expand');
}

function setAjaxSearchMsg(elId, classNameValue) {
    var ajaxMsg;
	ajaxMsg = document.getElementById(elId);
	ajaxMsg.className = classNameValue;
	ajaxMsg.innerHTML = "Vyhledávání podle zvolených kritérií..";
}

function opacity(id, opacStart, opacEnd, millisec) {
    var speed = Math.round(millisec / 100);
    var timer = 0;
    if (opacStart > opacEnd) {
        for (i = opacStart; i >= opacEnd; i--) {
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
            timer++;
        }
    } else if (opacStart < opacEnd) {
        for (i = opacStart; i <= opacEnd; i++) {
            setTimeout("changeOpac(" + i + ",'" + id + "')",(timer * speed));
            timer++;
        }
    }
} 

function changeOpac(opacity, id) {
    var object = document.getElementById(id).style;
    object.opacity = (opacity / 100);
    object.MozOpacity = (opacity / 100);
    object.KhtmlOpacity = (opacity / 100);
    object.filter = "alpha(opacity=" + opacity + ")";
}

function shiftOpacity(id, millisec) {
    if (document.getElementById(id).style.opacity == 0) {
        opacity(id, 0, 100, millisec);
    } else {
        opacity(id, -10, 600, millisec);
    }
    //setAjaxSearchMsg('ajaxMsg', 'collaps');
}