function Preview_Onclick(file)
{
    var url = file;
    var preview;
    preview = window.open(url,"Preview","top=10,left=20,scrollbars=1,resizable=1,width=650,height=600");   
    preview.focus();
}

function ClearForm()
{
	var frm = document.forms[0];

	for ( i=0; i<frm.length; i++ )
	{
		if ( ( frm.elements[i].type == "text" ) || ( frm.elements[i].type == "textarea" ) || ( frm.elements[i].type == "password" ) )
		{
			frm.elements[i].value = "";
		}
		else if ( frm.elements[i].type == "select-one" )
		{
			frm.elements[i].options[0].selected = true;
		}
		else if ( frm.elements[i].type == "checkbox" )
		{
			frm.elements[i].checked = false;
		}
	}
}