gusucode.com > 同城苏州黄页系统php源码程序 > mod.js/checkbox_act.js

    function check_all(theform)
{
	if(!theform)
		theform=document.form1
	for(idx=0;idx<theform.length;idx++)
	{
		if(theform[idx].type!='checkbox')
			continue;
		theform[idx].checked=true;
	}
}

function uncheck_all(theform)
{
	if(!theform)
		theform=document.form1
	for(idx=0;idx<theform.length;idx++)
	{
		if(theform[idx].type!='checkbox')
			continue;
		theform[idx].checked=false;
	}
}

function reverse_checkbox(theform)
{
	if(!theform)
		theform=document.form1
	for(idx=0;idx<theform.length;idx++)
	{
		if(theform[idx].type!='checkbox')
			continue;
		
		if( theform[idx].checked )
			theform[idx].checked=false;
		else
			theform[idx].checked=true;
	}
}

function get_checked_cnt(theform)
{
	if(!theform)
		theform=document.form1

	cnt = 0;
	for(idx=0;idx<theform.length;idx++)
	{
		if(theform[idx].type!='checkbox')
			continue;
		
		if( theform[idx].checked )
			cnt ++;
	}
	
	return cnt;
}