function processMenu(strMenuID){

    // Close all menus - cater for up to 50
    for(i=1; i<50; i++){
        if((document.getElementById("c_" + i) != undefined) && (document.getElementById("c_" + i).style.display == "block")){
            document.getElementById("c_" + i).style.display = "none";
        }
        if(document.getElementById("m_" + i) != undefined){
            document.getElementById("m_" + i).className = null;
        }
    }
	
	var nextItem = parseInt(strMenuID) + 1
	
	if(document.getElementById("c_" + strMenuID).style.display == "block"){
	
        document.getElementById("m_" + strMenuID).className = null;
        if(document.getElementById("m_" + nextItem) != undefined){document.getElementById("m_" + nextItem).className = null;}
        document.getElementById("c_" + strMenuID).style.display = "none";
        //Effect.SlideUp("c_" + strMenuID);
        
	}else{
	
        document.getElementById("m_" + strMenuID).className = "last";
        if(document.getElementById("m_" + nextItem) != undefined){document.getElementById("m_" + nextItem).className = "first";}
        document.getElementById("c_" + strMenuID).style.display = "block";
        
       
        
        //Effect.SlideDown("c_" + strMenuID);
       
	}

}