// The functions: TabClicked
function TabClicked(prefix,button_on) {
	//alert(prefix+","+button_on);
	
	if (prefix == "tab_a_") {
	  var tabOff = "tab_0";
	  var tabClassOn = "tabsOn";
	  var tabClassOff = "tabsOff";
    } else {
	    return;
    }
	    
    // Now find Style part of Link for text color
    for (i=0; i<document.getElementsByTagName('a').length; i++) {
      var theLink = (document.getElementsByTagName('a')[i]);
      //alert(theLink.id+", "+theLink.id.length);
	  if (theLink.id.length > 3) {
		  //alert(theLink.id.substring(0,6)+"\n"+prefix);
	    if (theLink.id.substring(0,6) == prefix) {
		  //alert(theLink.id+"\n\r"+theLink.className);
		  //theLink.style.backgroundImage = theLink.style.backgroundImage.replace("tab_1_","tab_0_a_");
		  TestPos = theLink.id.indexOf(button_on);
		  if (TestPos > 0) {
		    theLink.className = tabClassOn;
	      } else {
		    theLink.className = tabClassOff;
		  }
        }
      }
    }

    return;
}

function b_c4_push(button,graphic,state) {
	if (state == "down") button.src='/images/c4/'+graphic+'_0_b.gif';
	else if (state == "up")	button.src='/images/c4/'+graphic+'_1_b.gif';
	return;
}