var isNav = (navigator.appName.indexOf("Netscape")>=0);
var isWin = (navigator.userAgent.indexOf("Win") >= 0);

function openArcExplorerWeb(url) {
	if (isWin) {
		ArcExplorerWin = window.open(url,"ArcExplorerWeb","toolbar=no,width=800,height=564,left=5,top=5");
	} else if (!isWin && isNav){
		ArcExplorerWin = window.open("","ArcExplorerWeb","toolbar=no,width=800,height=564,screenX=5,screenY=5");
		ArcExplorerWin.location = url;
	} else if (!isWin && !isNav){
		ArcExplorerWin = window.open(url,"ArcExplorerWeb","toolbar=no,width=784,height=548,left=5,top=5");
	} else {
		ArcExplorerWin = window.open(url,"ArcExplorerWeb","toolbar=no,width=800,height=564");
	}
}