/*
Submit Once form validation- 
© Dynamic Drive (www.dynamicdrive.com)
For full source code, usage terms, and 100's more DHTML scripts, visit http://dynamicdrive.com
*/

function submitonce(theform){
	//if IE 4+ or NS 6+
	if (document.all||document.getElementById){
		//screen thru every element in the form, and hunt down "submit" and "reset"
		for (i=0;i<theform.length;i++) {
			var tempobj=theform.elements[i]
			if (tempobj.type.toLowerCase() == "submit") {
				//disable em
				tempobj.disabled=true
			}
		}
	}
}