function slideWindow(url, winW, winH) {
	if (!chkBrowser) return false;
	var ww;
	var wh;	
	if (winW == '') ww = 500;
	else ww = winW;
	if (winH == '') wh = 400;
	else wh = winH;
	var wf = "";	
	wf = wf + "width=" + ww + ",height=" + wh;
	wf = wf + ",resizable=yes,scrollbars=no,menubar=no,toolbar=no,directories=no,location=no,status=yes";		
	if(navigator.appVersion.charAt(0) >=4) {
		var sw=screen.width-20;
		var sh=screen.height;
		var newwidth=ww; 
		var newheight=wh;
		var positionleft=(sw-newwidth)/2;
		var positiontop="";
		positiontop=(sh-newheight)/2.5;
	}
	// alert(wf);
	newwindow=window.open(url,'neuesFenster',wf); 
	newwindow.focus();
	if(navigator.appVersion.charAt(0) >=4) {
		for(width1 = 1 ; width1 < positionleft ; width1 = width1 + 10) {
			newwindow.moveTo(width1,positiontop);
		}
	}
}
function chkBrowser () {
	var bAgent = window.navigator.userAgent; 
	var bAppName = window.navigator.appName;
	if ((bAppName.indexOf("Explorer") >= 0) && (bAgent.indexOf("Mozilla/3") >= 0) && (bAgent.indexOf("Mac") >= 0))
		return true;
	else return false;
}