var  highlightcolor='#d5d9fc';
//此处clickcolor只能用win系统颜色代码才能成功,如果用#xxxxxx的代码就不行,还没搞清楚为什么:(
var clickcolor='#51b2f6';
function  changeto(){
	source=event.srcElement;
	if (source.tagName=="TR"||source.tagName=="TABLE")
		return;
	while(source.tagName!="TD")
		source=source.parentElement;
		source=source.parentElement;
		cs  =  source.children;
		if  (cs[1].style.backgroundColor!=highlightcolor&&source.id!="nc"&&cs[1].style.backgroundColor!=clickcolor)
			for(i=0;i<cs.length;i++){
				cs[i].style.backgroundColor=highlightcolor;
			}
}
function  changeback(){
	if (event.fromElement.contains(event.toElement)||source.contains(event.toElement)||source.id=="nc")
		return
	if  (event.toElement!=source&&cs[1].style.backgroundColor!=clickcolor)
		for(i=0;i<cs.length;i++){
			cs[i].style.backgroundColor="";
		}
}

function  clickto(){
	source=event.srcElement;
	if (source.tagName=="TR"||source.tagName=="TABLE")
		return;
	while(source.tagName!="TD")
		source=source.parentElement;
		source=source.parentElement;
		cs  =  source.children;
	if  (cs[1].style.backgroundColor!=clickcolor&&source.id!="nc")
		for(i=0;i<cs.length;i++){
		cs[i].style.backgroundColor=clickcolor;
	}
	else
		for(i=0;i<cs.length;i++){
			cs[i].style.backgroundColor="";
		}
}
//全选
function SelectAll() {
	var checkbox = document.all.seleAll;
	for (var i=0;i<checkbox.length;i++) {
		var e = checkbox[i];
		e.checked=!e.checked;
	}
}