function showthumb(){
	var thumbObj = document.getElementById('thumbform');
	window.open('', 'newwin', 'width=600, height=600, scrollbars=yes, toolbar=no, resizable=yes');
	thumbObj.action = "/displaythumb.php";
	thumbObj.method = "post";
	thumbObj.target = "newwin";
	thumbObj.submit();
}

function showmythumb(thumbname){
	var thumbObj = document.getElementById(thumbname);   //FormName
	window.open('', 'newwin', 'width=600, height=600, scrollbars=yes, toolbar=no, resizable=yes');
	thumbObj.action = "/displaythumb.php";
	thumbObj.method = "post";
	thumbObj.target = "newwin";
	thumbObj.submit();
}