// JavaScript Document

function showSubMenu() {
    var objThis = this; 
    for(var i = 0; i  < objThis.childNodes.length; i++) {
        if(objThis.childNodes.item(i).nodeName == "UL") {                                                       
            objThis.childNodes.item(i).style.display = "block";
            break;            
        }               
    }   
} 

function hideSubMenu() {                                                               
    var objThis = this; 
    for(var i = 0; i  < objThis.childNodes.length; i++) {
        if(objThis.childNodes.item(i).nodeName == "UL") {                               
            objThis.childNodes.item(i).style.display = "none";                  
            break;
        }                       
    }   
} 

function initialiseMenu() {
    var objLICollection = document.body.getElementsByTagName("LI");        
    for(var i = 0; i < objLICollection.length; i++) {        
        var objLI = objLICollection[i];        
        for(var j = 0; j  < objLI.childNodes.length; j++) {
            if(objLI.childNodes.item(j).nodeName == "UL") {
                objLI.onmouseover=showSubMenu;
                objLI.onmouseout=hideSubMenu;
                for(var j = 0; j  < objLI.childNodes.length; j++) {
                    if(objLI.childNodes.item(j).nodeName == "A") {                    
                        objLI.childNodes.item(j).className = "submenu";                                
                    }
                }
            }
        }
    }
} 

function centerPopUp( url, name, width, height, scrollbars ) { 
 
	if( scrollbars == null ) scrollbars = "0" 
 
	str  = ""; 
	str += "resizable=0,"; 
	str += "scrollbars=" + scrollbars + ","; 
	str += "width=" + width + ","; 
	str += "height=" + height + ","; 
 
	if ( window.screen ) { 
		var ah = screen.availHeight - 30; 
		var aw = screen.availWidth - 10; 
 
		var xc = ( aw - width ) / 2; 
		var yc = ( ah - height ) / 2; 
 
		str += ",left=" + xc + ",screenX=" + xc; 
		str += ",top=" + yc + ",screenY=" + yc; 
	} 
	window.open( url, name, str ); 
	
}