this script opens a new page into a new window or in the current window... how would i add something like a scroll to the window if the check box is checked?

HTML Code:
<!DOCTYPE html>
    <meta content="text/html; charset=ISO-8859-1" http-equiv="content-type">
			 function go(){
				var  myWindow;
				var urlValue = document.getElementById("urlValue").value;
					//radio buttons
						myWindow =;
					else if (no.checked ){
						myWindow =, "_self"); 
					//checkbox loop
					for (i=0; i<document.myForm.checkGroup.length; i++){
						if (document.myForm.checkGroup[i].checked==true)
						alert("Checkbox at index "+i+" is checked!")
    <form name="myForm">
	  <p><label>Enter URL with http:// here: </label> <input id="urlValue" type="text"></p>
      <p><label>Would you like to open a new window?<br>
          <input name="yesNo" id="yes" type="radio">Yes<br>
          <input name="yesNo" id ="no" type="radio">No </label></p>
      <p><label>Other Options</label> <br>
        <input name = "checkGroup" id="fullScreen" type="checkbox">Full Screen<br>
        <input name = "checkGroup" id="scrollBar" type="checkbox">Scroll Bar<br>
        <input name = "checkGroup" id="statusBar" type="checkbox">Status Bar<br>
        <input name = "checkGroup" id="toolBar" type="checkbox">Tool Bar<br>
      <p><input id="goButton" value="GO" type="button" onclick = "go()"></p>