var xmlHttp, xmlDiv, showLoading;
function GetXmlHttpObject(divObj, sLoading){ 
	xmlDiv = divObj;
	if(sLoading){
		showLoading = sLoading;
	}else{
		showLoading = false;
	}
	
	var objXMLHttp=null
	if (window.XMLHttpRequest){
		objXMLHttp=new XMLHttpRequest()
	} else if (window.ActiveXObject) {
		objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP");
	}
	return objXMLHttp
}

function stateChanged() { 
	if(xmlDiv != null){
		if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){ 
	
			var loadingObj = document.getElementById('pagingLoading');		
			if(loadingObj) loadingObj.style.display = 'none';
	
			xmlDiv.innerHTML=xmlHttp.responseText;
		} else{
			var loadingObj = document.getElementById('pagingLoading');
			if(loadingObj) loadingObj.style.display = 'inline';
			if(showLoading == true) xmlDiv.innerHTML='<br><br><center><img src=/includes/js/ajax.gif></center>'; 
		}
	}
} 

function regExp(str, reg) {
	var re = new RegExp(reg);
	if (str.match(re)) {
  		return true;
	} else {
		return false;
	}
}

function checkEmail(str) {

	var at="@"
	var dot="."
	var lat=str.indexOf(at)
	var lstr=str.length
	var ldot=str.indexOf(dot)
	
	if (!regExp(str, '^[a-zA-Z0-9\._@-]+$')) return false;
	if (str.indexOf(at)==-1) return false
	if (str.indexOf(at)==-1 || str.indexOf(at)==0 || str.indexOf(at)==lstr) return false;
	if (str.indexOf(dot)==-1 || str.indexOf(dot)==0 || str.indexOf(dot)==lstr) return false;
	if (str.indexOf(at,(lat+1))!=-1) return false;
	if (str.substring(lat-1,lat)==dot || str.substring(lat+1,lat+2)==dot) return false;
	if (str.indexOf(dot,(lat+2))==-1) return false;
	if (str.indexOf(" ")!=-1) return false;

	return true					
}

function checkURLString(str) {

	if (regExp(str, '^[a-zA-Z0-9\._]+$')) 
		return true;
	else
		return false;
}

function funShowLongDescription(flag){
	if(flag == true){
		document.getElementById("showDescriptionAll").style.display='inline';
		document.getElementById("showDescriptionShort").style.display='none';
	}
	else{
		document.getElementById("showDescriptionAll").style.display='none';
		document.getElementById("showDescriptionShort").style.display='inline';
	}
	return false;
}

function encode(val) {
	return escape(val);
}
function decode(val) {
	return unescape(val.replace(/\+/g,  " "));
}