var detailsWindow1;
    var detailsWindow2;
    var detailsWindow3;
    
    function openapp1(appname)
	{
		detailsWindow1=window.open (appname,'customapp','width=500,height=375');
        detailsWindow1.focus();
	}
    	function openapp2(appname)
	{
		detailsWindow2=window.open (appname,'customapp2','width=375,height=500');
        detailsWindow2.focus();
	}
    	function openapp3(appname)
	{
		detailsWindow3=window.open (appname,'customapp3','width=500,height=332');
        detailsWindow3.focus();
	}