Script Code
Code:
function showHideField(fieldId,tag)
{
	var obj = getRefById(fieldId);
	if(tag == 1)
	{
		obj.style.visibility = (obj.style.visibility == 'hidden')?'visible':'hidden';
	}
	else if(tag == 2)
	{
		obj.style.visibility = (obj.style.visibility == 'hidden')?'visible':'hidden';
		obj.style.display = (obj.style.display == 'none')?'inline':'none';
	}
	else
	{
		obj.style.display = (obj.style.display == 'none')?'inline':'none';
	}
}
HTML
HTML Code:
<a href="#case_{$value.ID}" onClick="javascript:showHideField('case_1',2);">+</a>
<div id="case_1" style="visibility:hidden;display:none;">
Some Text
</div>
Working in FireFox but not in IE