function checkall(objForm){
	len = objForm.elements.length;
	var i=0;
	for( i=0 ; i<len ; i++) {
		if (objForm.elements[i].type=='checkbox') {
			objForm.elements[i].checked=objForm.check_all.checked;
		}
	}
}

function confirm_submit(objForm) {
	return true;
}

function validcheck(name,action,text)
{
	var chObj	=	document.getElementsByName(name);
	var result	=	false;	
	for(var i=0;i<chObj.length;i++){
	
		if(chObj[i].checked){
		  result=true;
		  break;
		}
	}

	if(!result){
		 alert("Please select atleast one "+text+" to "+action+".");
		 return false;
	}else if(action=='delete'){
			 if(!confirm("Are you sure you want to delete this.")){
			   return false;
			 }else{
				document.form1.submit();
			 }
	}else{
		 document.form1.submit();
	}
}
function showState(count_id){

  if(count_id==1){
 
    document.getElementById("us_state").style.visibility    = "visible";
    document.getElementById("other_state").style.visibility = "hidden";
	document.getElementsByName("course_event_state_name_other").value		=	"";
	
  }else{
    document.getElementById("us_state").style.visibility    = "hidden";
    document.getElementById("other_state").style.visibility = "visible";
	document.getElementsByName("course_event_state_name_us").value			=	"";
  } 
  
}