//------------------------------------------------------------------
//Open Popup Window
//------------------------------------------------------------------
function popWindow(url, width, height, name, options){

	//options = 'scrollbars'
	//options = 'menubar'
	//options = 'scrollbars,menubar'
	
	if (!width) width = 500;
	if (!height) height = 500;
 	var realW = (width)/2;
	var realH = (height)/2;
 	if (document.all){		
        var xMax = screen.width, yMax = screen.height;
    }else if (document.layers){       
        var xMax = screen.width, yMax = screen.height;
    }else if (document.getElementById){
		var xMax = screen.width, yMax = screen.height;
	}else{
		var xMax = 800, yMax=600;
	}
	var xOffset = ((xMax)/2) - realW, yOffset = (((yMax)/2)) - realH; 
	if (yMax==600){
		yOffset = 0;
	}	
	

	var option = "";
	if (options=='scrollbars') {
		option = "directories=no,status=no,location=no,scrollbars=yes,menubar=no,toolbar=no,resizable=no";
	} else if (options == 'menubar') {
		option = "directories=no,status=no,location=no,scrollbars=no,menubar=yes,toolbar=no,resizable=no";
	} else if (options == 'scrollbars,menubar') {
		option = "directories=no,status=no,location=no,scrollbars=yes,menubar=yes,toolbar=no,resizable=yes";
	} else {
		option = "directories=no,status=no,location=no,scrollbars=no,menubar=no,toolbar=no,resizable=no";
	}	
	option = option + ",screenX=" + xOffset + ",screenY=" + yOffset + ",top=" + yOffset + ",left=" + xOffset + ",width=" + width + ",height=" + height;	
	
		
	if (!name) name = "default_window";
	
	popup = window.open(url,name,option);
	if (popup != null) {
		popup.focus();	
	}

}

function verifyOpener(url)
{
	if (window.opener == null || (window.opener != null && (window.opener.location.href.indexOf(url) == -1 || window.opener.location.href == window.location.href)))
	{
		window.location = 'closewindow.htm';
	}
}