var xmlHttp

function showPicture(itankvesselid, ipictureid)
{ 
	if (itankvesselid.length> 0)
	{ 
		var url="displaypicture.php?tankvesselid=" +  itankvesselid + "&pictureid=" + ipictureid
		xmlHttp=GetXmlHttpObject(stateChanged)
		xmlHttp.open("GET", url , true)
		xmlHttp.send(null)
	} 
	else
	{ 
		document.getElementById("displayPicture").innerHTML=""
	}
} 

function stateChanged() 
{ 
	if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete")
	{ 
		document.getElementById("displayPicture").innerHTML=xmlHttp.responseText 
	} 
} 

function GetXmlHttpObject(handler)
{ 
	var objXmlHttp=null

	if (navigator.userAgent.indexOf("Opera")>=0)
	{
		alert("This example doesn't work in Opera") 
		return 
	}
	if (navigator.userAgent.indexOf("MSIE")>=0)
	{ 
		var strName="Msxml2.XMLHTTP"
		if (navigator.appVersion.indexOf("MSIE 5.5")>=0)
		{
			strName="Microsoft.XMLHTTP"
		} 
		try
		{ 
			objXmlHttp=new ActiveXObject(strName)
			objXmlHttp.onreadystatechange=handler 
			return objXmlHttp
		}		 
		catch(e)
		{ 
			alert("Error. Scripting for ActiveX might be disabled") 
			return 
		} 
	} 
	if (navigator.userAgent.indexOf("Mozilla")>=0)
	{
		objXmlHttp=new XMLHttpRequest()
		objXmlHttp.onload=handler
		objXmlHttp.onerror=handler 
		return objXmlHttp
	}
} 

function submitform()
{
	  document.itemform.submit();
}

function disp_confirm(tankvesselid)
{
	var url="delete.php?tankvesselid=" + tankvesselid
	var r=confirm("Delete Tank/Vessel " + tankvesselid + "?")
	if (r==true)
	{
		window.location.href = url
	}
	else
	{
		window.location.href = 'admin_vessel_list.php'
	}
}