//init yahoo toolkit components
function initYUI() {
    YAHOO.namespace("intrade");         
        
    //panel that shows explanation of contract
    YAHOO.intrade.explainPanel = new YAHOO.widget.Panel("explainDiv", 
        { 
            width:"370px",  
            underlay: "shadow",  
            fixedcenter: true,  
            visible: false,
            close:true,  
            draggable:true,
            effect:{effect:YAHOO.widget.ContainerEffect.FADE,duration: 0.2}
        });
       
    //initialize the panels
    YAHOO.intrade.explainPanel.setHeader("Explanation of Contract Price");       
    
    YAHOO.intrade.explainPanel.render(document.body);

}