// JScript File
function OpenChild(url, wWidth, wHeight) 
{
    var MyArgs = new Array("3");
    var WinSettings = "center:yes;resizable:no;dialogHeight:" + wHeight + "px;dialogWidth:" + wWidth + "px";
    // ALTER BELOW LINE - supply correct URL for Child Form
    var MyArgs = window.showModalDialog(url, MyArgs, WinSettings);
	document.forms[0].submit();
}