function showit(idToShow) {
	if(document.getElementById) { 
		document.getElementById(idToShow).style.display = "block";
	}
	else if (document.all) {
		document.all[idToShow].style.display = "block";
	}
}

function changeit(idToChange,words) {
	if(document.getElementById) { 
		document.getElementById(idToChange).innerHTML = words;
	}
	else if (document.all) {
		document.all[idToChange].innerHTML = words;
	}
}

function hideit(idToHide) {
	if(document.getElementById) { 
		document.getElementById(idToHide).style.display = "none";
	}
	else if (document.all) {
		document.all[idToHide].style.display = "none";
	}
}

// function to prevent submitting form data twice
var submitcount=0;
function checkSubmit() {
	if (submitcount == 0) {
		submitcount++;
		return true;
	} else {
		return false;
	}
}