function OpenLocalWeather() 
{
var MyArgs = new Array();
var WinSettings = "center:yes;resizable:no;scroll:no; status:no; title:no; dialogHeight:650px; dialogWidth:580px;"
var MyArgs = window.showModalDialog("http://www.imd.gov.in/section/nhac/wch/dlimd.htm", "webform", WinSettings);
}