Skip or cancel onclick event in FF

[Vojvodin]

Hi,
I have linkbutton with JS validations on onclick event. I need cancel or skip this event dinamically on the client. I cant rewrite logic of this linkbutton. I need disable this event which depend on some conditions from another elements on the page(dropdown, textbox...).

I need something like this.
Example:
function fired from other element, not from linkbutton.

function someFce(linkButtonID)
{
var linkButton = document.getElementById(linkButtonID);

if (//firefox//)
{
    if (//something//)
    {
       //desible linkbutton onclick event//
    }
    else
    {
       //enable linkbutton onclick event//
    }
}

Where is //desible linkbutton onclick event// and //enable linkbutton onclick event// I need help with the code. Thanks
Sorry my bad english

[johny10151981]

follow this example

<script >
function validation_function()
{
 return false; // it wont switch anymore
}
</script >
<a href='javascript:return validation_function()'>link</a>

or

function validation_function()
{
 if(condition support)
   window.location="http://desired.location.com"
 else
  return;
}
</script >
<a onclick='validation_function()'>link</a>