<!-- http://www.quirksmode.org/dom/inputfile.html -->

var W3CDOM = (document.createElement && document.getElementsByTagName);

function OnChange(dropdown) 
{
	var x = document.getElementsByTagName('input');
	for (var i=0;i<x.length;i++) 
	{
		if (x[i].className == 'searchInput')
		{
			x[i].value = '';
		}
	}
}