var xmlHttp;
var space_id;
//set folder location of ajax pages
var floc = 'content/ajax/';

function getSid(){
         var sid = '?sid='+Math.random();
         ////////alert (sid);
         return sid;
}

function firstImage(){
			 var index = 0;
			 space_id = 'popupimage';	
			 url = floc+space_id+'.php'+getSid()+'&index='+index;
				////alert(url);
				execute_ajax(url,space_id);
			 return true; 
}
function finalImage(){
			 var total = parseInt(document.getElementById('total').value);
			 var index = total-1;
			 space_id = 'popupimage';		
			 url = floc+space_id+'.php'+getSid()+'&index='+index;
				////alert(url);
				execute_ajax(url,space_id);
			 return true; 
}

function nextImage(){
			 var total = parseInt(document.getElementById('total').value);
			 eval("var index = parseInt("+document.getElementById('index').value+") + 1;");
			 if (index == total)
			 	index = 0;
			 space_id = 'popupimage';
			 url = floc+space_id+'.php'+getSid()+'&index='+index;
				////alert(url);
				execute_ajax(url,space_id);
			 return true;
}

function previousImage(){
			var total = parseInt(document.getElementById('total').value);
			eval("var index = parseInt("+document.getElementById('index').value+") - 1;");
			if (index < 0)
			 	index = total-1;
			space_id = 'popupimage';		
			url = floc+space_id+'.php'+getSid()+'&index='+index;
				////alert(url);
				execute_ajax(url,space_id);
			return true;
}
function load(page){			
			switch(page){
			case "popup":
//				alert("loading pupup");
				var index = document.getElementById('index').value;
				space_id = 'popupimage';
				url = floc+space_id+'.php'+getSid()+'&index='+index;
//				alert(url);
				execute_ajax(url,space_id);
				break;
			default:
				break;
			}
}
function get_contact(){
		 space_id = 'contact';
		 url = floc+space_id+'.php'+getSid();
		 execute_ajax(url,space_id);
}