// JScript File
var tab_Selected = "none";
var tab_obj_Selected;

function tab_handleRoll ( aObj, tabID ) {

    var objClass = aObj.className;
    
    
    if ( tab_Selected != tabID ) {
    
        if ( objClass != "NavSelected" ) {
        //swap to on
            
            aObj.className = "NavSelected";
            
        } else if ( objClass == "NavSelected"  ) { 
        // swap to off
            
            aObj.className = "NavUnselected";
        
        }
        
   }
   
}
function tab_Chosen ( aObj, aObjOld ){
	var objClass = aObj.className;
	var objClassOld = aObjOld.className;
	
	aObj.className = objClass + "_Activated";
	// set the chosen tab to the chosen state
	if(objClassOld.length > 20){
	aObjOld.className = objClassOld.slice(0,-10);
	// remove the Activated state from previous choice
	}
	
	}


function tab_handleClick ( cObj, tabID ) {
    
    document.getElementById ( tabID ).style.display = "block";
   
    if ( tab_Selected != "none" && tab_Selected != tabID ) {
        //tab_handleRoll ( tab_obj_Selected, tabID );
        tab_Chosen( cObj, tab_obj_Selected );
        document.getElementById ( tab_Selected ).style.display = "none";
    } 
    
    
    
    tab_Selected = tabID;
    tab_obj_Selected = cObj;

}

function tab_SwapTabImg ( iObj, nSrc ) {

    iObj.src = nSrc;

}