function lbsong()
{
window.open("about:blank","music","scrollbars=no,resizable=no,width=550,height=400,menubar=no,top=10,left=10");
}
function ChkAll(form){	
var frm=form
for(i=0; i < frm.elements.length; ++i){
	var ele=frm.elements[i];
	if (ele.name == 'IswNumsID'){
		if(ele.checked==true){
			ele.checked = false;
		}else{
			ele.checked = true;
	}
}
}
}