// JavaScript Document
function ajax()
	{
		var ddr;
		var browser = navigator.appName;
		if(browser == "Microsoft Internet Explorer")
			ddr  = new ActiveXObject("Microsoft.XMLHTTP");
		else
			ddr  = new XMLHttpRequest();
		
		return ddr;
	}
var request=ajax();

function expert_mail(e_id,c_id){
request.open('get',"expert_mail.php?cat_id="+e_id+"&me_id="+c_id);
request.onreadystatechange=display;
request.send('');
}

function display(){
	if(request.readyState == 4){
		alert(request.responseText);		
	}
}