function disable_all_submit()
{
//  	var testtext = document.createTextNode(navigator.userAgent);
//  	document.getElementsByTagName('body')[0].lastChild.appendData(testtext.nodeValue);

	var arVersion = navigator.appVersion.split("MSIE")
	var version = parseFloat(arVersion[1])

// 	if (version > 6.0 || version == NaN)
	if (version >= 7 || isNaN(version) || 1==1)
	{
		var input_element_list = new Array('input');
		for(var i = 0; i < input_element_list.length; i++)
		{
	// 		alert(document.getElementsByTagName(title_element_list[i])[0].title);
			for(var j = 0; j < document.getElementsByTagName(input_element_list[i]).length; j++)
			{
	// 			document.write(document.getElementsByTagName(title_element_list[i]))[j].title;
				var element = document.getElementsByTagName(input_element_list[i])[j];
				if(element.type == 'submit' || element.type == 'image')
				{
					element.disabled = true;
				}
			}
		}
	}
}