function formsClass() {
	
	function findForms() {
		var elems = document.getElementsByTagName("form");
		for(var i = 0; i < elems.length; i++) {
			if(elems[i].onsubmit == undefined) {
				//kvuli vraceni t/f musi byt jen jeden handler
				elems[i].onsubmit = doSubmit;
			}
		}
	}
	
	function doSubmit(e) {
		setSubmitDisabledState(this, "disabled");
		return true;
	}
	
	function setSubmitDisabledState(frm, val) {
		var elems = frm.getElementsByTagName("input");
		for(var i = 0; i < elems.length; i++) {
			if(elems[i].type == "submit") {
				elems[i].disabled = val;
			}
		}
	}
	
	fLib.addEvent("load", findForms, window);
	
}

var forms = new formsClass();