var 	win = null;

function NewWindow(mypage,myname,w,h,scroll)
{
LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
settings ='height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable'
win = window.open(mypage,myname,settings)
}

function ask_win(form1,mypage,myname,w,h,scroll)
{
var pa_selected = -1;

for (i=0;i<form1.itm.length;i++)
{
	if (form1.itm[i].checked)
	{
		pa_selected = form1.itm[i].value;
		break;
	}
}

LeftPosition = (screen.width) ? (screen.width-w)/2 : 0;
TopPosition = (screen.height) ? (screen.height-h)/2 : 0;
settings ='height='+h+',width='+w+',top='+TopPosition+',left='+LeftPosition+',scrollbars='+scroll+',resizable'
win = window.open(mypage+'?id='+pa_selected,myname,settings)
	

return false;
}