function changecss( cssClassName,element,value )
{
	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 == cssClassName )
				document.styleSheets[S][cssRules][R].style[element] = value;
				
}