var isMinIE5 = (navigator.appVersion.indexOf("5.")) >= 0 ? 1 : 0;
var isDOM = (document.getElementById) ? 1 : 0;
	
function changeColor(objId,color) {
		if (isMinIE5||isDOM) {
			document.getElementById(objId).style.color=color;
		} else {
			return;
		}
}
	
function changeBgColor(objId,color) {
		if (isMinIE5||isDOM) {
			document.getElementById(objId).style.backgroundColor=color;
		} else {
			return;
		}
}

function changeBgColor(newBgColor) {
       if (window.document && window.document.bgColor) {
               document.bgColor = newBgColor;
  }
}
	
function openWindow(filename)
	{
		w = 560;
		h = 650;
    	var wl = (screen.width - w) / 2;
		var wt = (screen.height - h) / 2;
		var size = ("resizable=0,scrollbars=0,left=" + wl + ",top=" + wt +",width=" + w + ",height=" + h);
		popupwindow=window.open(filename,"popup",size);
		setTimeout('popupwindow.focus();',250);
}

function openWindowLarge(filename)
	{
		w = 790;
		h = 590;
    	var wl = (screen.width - w) / 2;
		var wt = (screen.height - h) / 2;
		var size = ("resizable=0,scrollbars=0,left=" + wl + ",top=" + wt +",width=" + w + ",height=" + h);
		popupwindow=window.open(filename,"popup",size);
		setTimeout('popupwindow.focus();',250);
}

function PrintPage(filename)
	{
		w = 500;
		h = 550;
    	var wl = (screen.width - w) / 2;
		var wt = (screen.height - h) / 2;
		var size = ("resizable=0,scrollbars=yes,toolbar=yes,left=" + wl + ",top=" + wt +",width=" + w + ",height=" + h);
		popupwindow=window.open(filename,"popup",size);
		setTimeout('popupwindow.focus();',250);
}
	
function show(object) {
    if (document.getElementById && document.getElementById(object) != null)
         node = document.getElementById(object).style.visibility='visible';
    else if (document.layers && document.layers[object] != null)
        document.layers[object].visibility = 'visible';
    else if (document.all)
        document.all[object].style.visibility = 'visible';
}

function hide(object) {
    if (document.getElementById && document.getElementById(object) != null)
         node = document.getElementById(object).style.visibility='hidden';
    else if (document.layers && document.layers[object] != null)
        document.layers[object].visibility = 'hidden';
    else if (document.all)
         document.all[object].style.visibility = 'hidden';
}