function print_popup(js_url,js_width,js_height)
{
	print_window=window.open(js_url,'print_window','width='+js_width+',height='+js_height+',scrollbars=yes,toolbar=no,menubar=no,statusbar=no,location=no,resizable=yes');
}
function email_popup(js_url,js_width,js_height)
{
	email_window=window.open(js_url,'print_window','width='+js_width+',height='+js_height+',scrollbars=yes,toolbar=no,menubar=no,statusbar=no,location=no,resizable=yes');
}
function center_popup(url,w,h,s,r)
{
	x=screen.width/2;
	x=x-w/2;
	y=screen.height/2;
	y=y-h/2;
	popUp1=window.open(url,'win1','width='+ w +',height='+ h +',left=' + x +',top='+ y +',directories=0,status=0,scrollbars='+s +',resizable='+ r + ',menubar=0,locationbar=0')
}
function mittig(w,h,url,n)
{
	if(!window.opera)
	{
		l = (screen.availWidth/2)-(w/2);
		t = (screen.availHeight/2)-(h/2);
		para = 'menubar=no,resizable=no,scrollbars=yes,status=no,toolbar=no';
		win = window.open(url,n,"width="+w+",height="+h+",left="+l+",top="+t+para);
		win.focus();
	}
	else
	{
		l = (window.innerWidth/2)-(w/2);
		t = (window.innerHeight/2)-(h/2);
		para = 'menubar=no,resizable=no,scrollbars=yes,status=no,toolbar=no';
		win = window.open(url,n,"width="+w+",height="+h+",left="+l+",top="+t+para);
		win.focus();
	}
}