function showimage()
{
document.getElementById('topimg').src=
document.getElementById('picture').options[document.getElementById('picture').selectedIndex].value
}

function textCounter(field,maxlimit) {

field.value = field.value.substring(0, maxlimit);

}

var timex = 600
var timey = 1
	
	function startClock(){
	timex = timex-timey
	setTimeout("startClock()", 1000)
	if(timex==0){
   alert("Your session is about to expire, please submit your page.");
   timex=10;
	   }
}