function GetXmlHttpObject()
{
	var xmlHttp=null;
	try{
		/************** Firefox, Opera 8.0+, Safari ************* */
		xmlHttp=new XMLHttpRequest();
	}catch(e){
		/* ************* Internet Explorer************* */
		try{
			xmlHttp=new ActiveXObject("Msxml2.XMLHTTP");
		}catch(e){
			xmlHttp=new ActiveXObject("Microsoft.XMLHTTP");
		}
	}
	return xmlHttp;
}
xmlHttp		=	 GetXmlHttpObject();
xmlHttp2		= GetXmlHttpObject();

function check_user(email)
{
	
	var url	=	"ajax_respons.php?check_user="+email;	
	xmlHttp	=	GetXmlHttpObject();
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)	
	xmlHttp.onreadystatechange = function(){	
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){		
	    var txt='';
		txt	 = xmlHttp.responseText;
		 if(txt!=""){
			 	document.getElementById("txtHint1").style.display='block';
				document.getElementById("email_exists").value=1;
				document.getElementById("txtHint1").innerHTML=xmlHttp.responseText 
				
		    }else{
				document.getElementById("txtHint1").style.display='none';
				document.getElementById("email_exists").value='';
			}
		 
		}
	}
	
}
function get_subcat_dropdown(cat_id)
{
	
	var url	=	"ajax_respons.php?cat_id="+cat_id;	
	xmlHttp	=	GetXmlHttpObject();
	xmlHttp.open("GET",url,true)
	xmlHttp.send(null)	
	xmlHttp.onreadystatechange = function(){	
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){		
	    var txt='';
		txt	 = xmlHttp.responseText;
		 if(txt!=""){
			 	
				document.getElementById("sub_cat_ajax_id").innerHTML=xmlHttp.responseText 
				
		    }
		 
		}
	}
	
}