function opensearchWindow(url, name) {

  popupWin = window.open(url, name, 'width=493,height=538,left=20,top=20')

}


function openmapWindow(url, name) {

  popupWin = window.open(url, name, 'width=665,height=600,left=20,top=20')

}


function opengreenwichWindow(url, name) {

  popupWin = window.open(url, name, 'width=493,height=538,left=20,top=20')

}


function opencoreWindow(url, name) {

  popupWin = window.open(url, name, 'width=500,height=290,left=20,top=20')

}


function opencalculatorWindow(url, name) {

  popupWin = window.open(url, name, 'width=806,height=560,left=20,top=20,scrollbars=1')

}


function opendemo1Window(url, name) {

  popupWin = window.open(url, name, 'width=800,height=500,left=20,top=20,scrollbars=0')

}


function opendemo2Window(url, name) {

  popupWin = window.open(url, name, 'width=800,height=600,left=20,top=20,scrollbars=0')

}


/* begin toggle div tags  */


function toggleVisibility() {

  var inc, endInc=arguments.length;

  for (inc=0; inc<endInc; inc+=2) {
    var id = arguments[inc];

    if (arguments[inc+1] == 'hidden') 
		param = "hidden";
    else if(arguments[inc+1]=='visible') 
		param = "visible";

    if (document.layers) 
		document.layers['container'].layers[id].visibility = param;
    else if (document.all) 
		eval("document.all." + id + ".style.visibility = \"" + param + "\"");
    else if (document.getElementById) 
		eval("document.getElementById(id).style.visibility = \"" + param + "\"");
  }
}


/* end toggle div tags */

/* begin widget */

function expandcollapse (postid) { 

   whichpost = document.getElementById(postid); 

   if (whichpost.className=="postshown") { 
      whichpost.className="posthidden"; 
   } else { 
      whichpost.className="postshown"; 
   } 
} 

/* end widget */