function changecss(theClass,element,value)
{
//documentation for this script at http://www.shawnolson.net/a/503/
var cssRules;
if (document.all)
{
cssRules = 'rules';
}
else if (document.getElementById)
{
cssRules = 'cssRules';
}
for (var S = 0; S < document.styleSheets.length; S++)
{
for (var R = 0; R < document.styleSheets[S][cssRules].length; R++)
{
if (document.styleSheets[S][cssRules][R].selectorText == theClass)
{
document.styleSheets[S][cssRules][R].style[element] = value;
}
}
}
}
مثال استفاده:changecss('.exampleA','display','none'); changecss('#exampleB','display','none');