html>
var arr = tree.getElementsByTagName('input')
for(var i=0; i var input = arr[i] if(input.type = 'checkbox'){ input.onclick = ClickInput } } function ClickInput(){ var li = this.parentElement; var arr = li.getElementsByTagName('input') for(var i=0; i var input = arr[i] if(input.type == 'checkbox'){ input.checked = this.checked } } var li = li.parentElement.parentElement while(li.tagName.toLowerCase() == 'li'){ var input = li.childNodes[0] if(input.tagName.toLowerCase() == 'input'){ input.checked = this.checked } li = li.parentElement.parentElement } }

