var state = 'none';
function showhide(layer_ref) {
if (state == 'block') {	state = 'none'; } else { state = 'block'; }
if (document.all) { eval( "document.all." + layer_ref + ".style.display = state"); }
if (document.layers) { document.layers[layer_ref].display = state; }
if (document.getElementById &&!document.all) { 
	hza = getElementsById(layer_ref); 
	for(i=0; i<hza.length;i++) { hza[i].style.display = state; }
}
}
function deleteComment(id){
	var answer = confirm("Delete this comment?");
	if (answer) { document.location.href =  "/user/deleteComment/"+ id; }
} 

 function getElementsById(sId) {
    var outArray = new Array();	
	if(typeof(sId)!='string' || !sId) {
		return outArray;
	};
	if(document.evaluate) {
		var xpathString = "//*[@id='" + sId.toString() + "']"
		var xpathResult = document.evaluate(xpathString, document, null, 0, null);
		while ((outArray[outArray.length] = xpathResult.iterateNext())) { }
		outArray.pop();
	} else if(document.all) {
		for(var i=0,j=document.all[sId].length;i<j;i+=1){
		outArray[i] =  document.all[sId][i];}
	} else if(document.getElementsByTagName) {
		var aEl = document.getElementsByTagName( '*' );	
		for(var i=0,j=aEl.length;i<j;i+=1){
			if(aEl[i].id == sId ) {
				outArray.push(aEl[i]);
			};
		};	
		
	};
	return outArray;
 }