function MM_openBrWindow(theURL,winName,features) { 
window.open(theURL,winName,features);
}
function show(){
if (document.layers){
layers['layer2'].style.visibility='visible';
layers['m1'].style.display="none";
layers['m2'].style.display="";
}
else{
Layer2.style.visibility='visible';
m1.style.display="none";
m2.style.display="";
}
}

function guan(){
if (document.layers){
layers['layer2'].style.visibility='hidden';
layers['m2'].style.display="none";
layers['m1'].style.display="";
}
else{
Layer2.style.visibility='hidden';
m2.style.display="none";
m1.style.display="";
}
}

function HideDiv(pName){
    var obj = event.toElement;
    while( obj!=null && obj.id!=pName ){
        obj = obj.parentElement;
    }
    if( obj==null ){ 
	Layer2.style.visibility='hidden';
	m2.style.display="none";
    m1.style.display="";}
}