function getHTTPObject(){
	if (window.ActiveXObject) 
		return new ActiveXObject("Microsoft.XMLHTTP");
	else if (window.XMLHttpRequest) 
		return new XMLHttpRequest();
	else {
		alert("Your browser does not support AJAX.");
		return null;
	}
}

function ShowHideDiv(id){
	
	if ( document.getElementById(id).style.display == 'none' ){
		document.getElementById(id).style.display = 'block';
		
	}
	
	else if ( document.getElementById(id).style.display == 'block' ){
		document.getElementById(id).style.display = 'none';
		
	}
	
}