function load_page(url,height,width,with_scrollbar,resizeable){
    var w = 480, h = 340;
	var sb = 0; //scroll bar
	var rs = 0;
	
	if(with_scrollbar)
		sb=1;
	if(resizeable)
		rs=1;


    var browserName=navigator.appName; 
    if (browserName=="Netscape")
    { 
       w = window.innerWidth;
       h = window.innerHeight;
    }
    else 
    { 
     if (browserName=="Microsoft Internet Explorer")
     {
       w = document.body.clientWidth;
       h = document.body.clientHeight;
     }
    }

    var popW = width, popH = height;
    var leftPos = (w-popW)/2, topPos = (h-popH)/2;

    if(typeof popupWin != 'undefined'){
        popupWin.close();
    }
    popupWin = window.open(url, 'popupWin',
                           'toolbars=0, '+
                           'scrollbars='+sb+', '+
                           'location=0, status=0, menubars=0,'+
                           'resizable='+rs+', width='+width+', height='+height+
                           ', left='+leftPos +', top='+topPos);
	popupWin.focus();
}