عمل Check All في JavaScript - نسخة قابلة للطباعة

كود :

[color=#800000]<script>[/color]

function checkall(formname,checkname,thestate){

var el_collection=eval("document.forms."+formname+"."+checkname)

for (c=0;c[COLOR=#000080]<el_collection.length;c++)

el_collection[c].checked=thestate

}



</script>[/COLOR]

كود :

[color=#ff8000]<form name=[COLOR=#0000ff]"test"[/color]>[/COLOR]

[color=#ff8000]<input type=[COLOR=#0000ff]"checkbox"[/color] name=[color=#0000ff]"v1"[/color]>[/COLOR] Google[color=#000080]<br>[/color]

[color=#ff8000]<input type=[COLOR=#0000ff]"checkbox"[/color] name=[color=#0000ff]"v1"[/color]>[/COLOR] Yahoo[color=#000080]<br>[/color]

[color=#ff8000]<input type=[COLOR=#0000ff]"checkbox"[/color] name=[color=#0000ff]"v1"[/color]>[/COLOR] Msn[color=#000080]<br>[/color]

[color=#ff8000]</form>[/color]

[color=#008000]<a href=[COLOR=#0000ff]"javascript:checkall('test','v1',true)"[/color]>[/COLOR]Check All[color=#008000]</a>[/color][color=#000080]<br>[/color]

[color=#008000]<a href=[COLOR=#0000ff]"javascript:checkall('test','v1',false)"[/color]>[/COLOR]Uncheck All[color=#008000]</a>[/color]

[i][color=#000080]<!-- checkall(name of form, common name of checkbox group, true or false)-->[/color][/i]