var focusobj;
var focusobj_index;
			
document.onkeypress = function(eventTag){
	var event = eventTag||window.event;
	if(event.keyCode==13){
		if(focusobj_index==(focusobj.length-1)){
			if(obj.getAttribute("disabled")!=""){
				return;
			}
			eval(focusobj[focusobj_index]);
		}
		else{
			var obj = document.getElementById(focusobj[focusobj_index-1]);
			
			if(obj.getAttribute("type")=="checkbox"){
				if(obj.checked==false)
					return;
			}
			else if(obj.getAttribute("type")=="button"){
				if(obj.getAttribute("disabled")){
						return;
				}
				obj.click();
				return;
			}
			else{
				if(obj.value==""){
					return;
				}
			}
			
			if(obj.getAttribute("disabled")){
					return;
			}
			
			document.getElementById(focusobj[focusobj_index]).focus();
		}
		
	}
}

function changefocusobj(focusobj){
	focusobj_index = focusobj.getAttribute("parm");
}

function initfocusobj(setfocusobj){
	focusobj = setfocusobj;
	for(var i=0;i<focusobj.length-2;i++){
		document.getElementById(focusobj[i]).onfocus=function(){
			changefocusobj(this);
		};
	}
	//changefocusobj(this);
	focusobj_index = 1;
	document.getElementById(focusobj[0]).focus();
}