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3 <html><head><title>/home/crschmidt/OpenLayers-2.8/lib/OpenLayers/Ajax.js - OpenLayers</title><link rel="stylesheet" type="text/css" href="../../styles/main.css"><script language=JavaScript src="../../javascript/main.js"></script><script language=JavaScript src="../../javascript/searchdata.js"></script></head><body class="ContentPage" onLoad="NDOnLoad()"><script language=JavaScript><!--
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14 <div id=Content><div class="CFile"><div class=CTopic id=MainTopic><h1 class=CTitle><a name="Ajax.js"></a>Ajax.js</h1><div class=CBody><!--START_ND_SUMMARY--><div class=Summary><div class=STitle>Summary</div><div class=SBorder><table border=0 cellspacing=0 cellpadding=0 class=STable><tr class="SMain"><td class=SEntry><a href="#Ajax.js" >Ajax.js</a></td><td class=SDescription></td></tr><tr class="SGroup"><td class=SEntry><a href="#Functions" >Functions</a></td><td class=SDescription></td></tr><tr class="SFunction SIndent1 SMarked"><td class=SEntry><a href="#loadURL" id=link1 onMouseOver="ShowTip(event, 'tt1', 'link1')" onMouseOut="HideTip('tt1')">loadURL</a></td><td class=SDescription>Background load a document. </td></tr><tr class="SClass"><td class=SEntry><a href="#OpenLayers.Ajax" >OpenLayers.Ajax</a></td><td class=SDescription></td></tr><tr class="SClass"><td class=SEntry><a href="#OpenLayers.Ajax.Responders" >OpenLayers.<wbr>Ajax.<wbr>Responders</a></td><td class=SDescription>{Object}</td></tr><tr class="SClass"><td class=SEntry><a href="#OpenLayers.Ajax.Base" >OpenLayers.<wbr>Ajax.Base</a></td><td class=SDescription></td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#OpenLayers.Ajax.Base.Constructor" >Constructor</a></td><td class=SDescription></td></tr><tr class="SConstructor SIndent2 SMarked"><td class=SEntry><a href="#OpenLayers.Ajax.Base.OpenLayers.Ajax.Base" >OpenLayers.<wbr>Ajax.Base</a></td><td class=SDescription></td></tr><tr class="SClass"><td class=SEntry><a href="#OpenLayers.Ajax.Request" >OpenLayers.<wbr>Ajax.<wbr>Request</a></td><td class=SDescription><b>Deprecated</b>. </td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#OpenLayers.Ajax.Request.Constructor" >Constructor</a></td><td class=SDescription></td></tr><tr class="SConstructor SIndent2 SMarked"><td class=SEntry><a href="#OpenLayers.Ajax.Request.OpenLayers.Ajax.Request" >OpenLayers.<wbr>Ajax.<wbr>Request</a></td><td class=SDescription></td></tr><tr class="SClass"><td class=SEntry><a href="#OpenLayers.Ajax.Response" >OpenLayers.<wbr>Ajax.<wbr>Response</a></td><td class=SDescription></td></tr><tr class="SGroup SIndent1"><td class=SEntry><a href="#OpenLayers.Ajax.Response.Constructor" >Constructor</a></td><td class=SDescription></td></tr><tr class="SConstructor SIndent2 SMarked"><td class=SEntry><a href="#OpenLayers.Ajax.Response.OpenLayers.Ajax.Response" >OpenLayers.<wbr>Ajax.<wbr>Response</a></td><td class=SDescription></td></tr></table></div></div><!--END_ND_SUMMARY--></div></div></div>
16 <div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="Functions"></a>Functions</h3></div></div>
18 <div class="CFunction"><div class=CTopic><h3 class=CTitle><a name="loadURL"></a>loadURL</h3><div class=CBody><blockquote><table border=0 cellspacing=0 cellpadding=0 class=Prototype><tr><td><table border=0 cellspacing=0 cellpadding=0><tr><td class=PBeforeParameters nowrap>OpenLayers.loadURL = function(</td><td class=PParameter nowrap>uri,</td></tr><tr><td></td><td class=PParameter nowrap>params,</td></tr><tr><td></td><td class=PParameter nowrap>caller,</td></tr><tr><td></td><td class=PParameter nowrap>onComplete,</td></tr><tr><td></td><td class=PParameter nowrap>onFailure</td><td class=PAfterParameters nowrap>)</td></tr></table></td></tr></table></blockquote><p>Background load a document. For more flexibility in using XMLHttpRequest, see the <a href="Request-js.html#OpenLayers.Request" class=LClass id=link2 onMouseOver="ShowTip(event, 'tt2', 'link2')" onMouseOut="HideTip('tt2')">OpenLayers.Request</a> methods.</p><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>uri</td><td class=CDLDescription>{String} URI of source doc</td></tr><tr><td class=CDLEntry>params</td><td class=CDLDescription>{String} or {Object} GET params. Either a string in the form “?hello=world&foo=bar” (do not forget the leading question mark) or an object in the form {‘hello’: ‘world’, ‘foo’: ‘bar}</td></tr><tr><td class=CDLEntry>caller</td><td class=CDLDescription>{Object} object which gets callbacks</td></tr><tr><td class=CDLEntry>onComplete</td><td class=CDLDescription>{Function} Optional callback for success. The callback will be called with this set to caller and will receive the request object as an argument. Note that if you do not specify an onComplete function, <OpenLayers.nullHandler> will be called (which pops up a user friendly error message dialog).</td></tr><tr><td class=CDLEntry>onFailure</td><td class=CDLDescription>{Function} Optional callback for failure. In the event of a failure, the callback will be called with this set to caller and will receive the request object as an argument. Note that if you do not specify an onComplete function, <OpenLayers.nullHandler> will be called (which pops up a user friendly error message dialog).</td></tr></table><h4 class=CHeading>Returns</h4><p>{<a href="Request/XMLHttpRequest-js.html#OpenLayers.Request.XMLHttpRequest" class=LClass id=link3 onMouseOver="ShowTip(event, 'tt3', 'link3')" onMouseOut="HideTip('tt3')">OpenLayers.Request.XMLHttpRequest</a>} The request object. To abort loading, call request.abort().</p></div></div></div>
20 <div class="CClass"><div class=CTopic><h2 class=CTitle><a name="OpenLayers.Ajax"></a>OpenLayers.Ajax</h2><div class=CBody></div></div></div>
22 <div class="CClass"><div class=CTopic><h2 class=CTitle><a name="OpenLayers.Ajax.Responders"></a>OpenLayers.<wbr>Ajax.<wbr>Responders</h2><div class=CBody><p>{Object}</p></div></div></div>
24 <div class="CClass"><div class=CTopic><h2 class=CTitle><a name="OpenLayers.Ajax.Base"></a>OpenLayers.<wbr>Ajax.Base</h2><div class=CBody><!--START_ND_SUMMARY--><div class=Summary><div class=STitle>Summary</div><div class=SBorder><table border=0 cellspacing=0 cellpadding=0 class=STable><tr class="SGroup"><td class=SEntry><a href="#OpenLayers.Ajax.Base.Constructor" >Constructor</a></td><td class=SDescription></td></tr><tr class="SConstructor SIndent1 SMarked"><td class=SEntry><a href="#OpenLayers.Ajax.Base.OpenLayers.Ajax.Base" >OpenLayers.<wbr>Ajax.Base</a></td><td class=SDescription></td></tr></table></div></div><!--END_ND_SUMMARY--></div></div></div>
26 <div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Ajax.Base.Constructor"></a>Constructor</h3></div></div>
28 <div class="CConstructor"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Ajax.Base.OpenLayers.Ajax.Base"></a>OpenLayers.<wbr>Ajax.Base</h3><div class=CBody><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>options</td><td class=CDLDescription>{Object}</td></tr></table></div></div></div>
30 <div class="CClass"><div class=CTopic><h2 class=CTitle><a name="OpenLayers.Ajax.Request"></a>OpenLayers.<wbr>Ajax.<wbr>Request</h2><div class=CBody><p><b>Deprecated</b>. Use <a href="Request-js.html#OpenLayers.Request" class=LClass id=link4 onMouseOver="ShowTip(event, 'tt2', 'link4')" onMouseOut="HideTip('tt2')">OpenLayers.Request</a> method instead.</p><h4 class=CHeading>Inherit</h4><ul><li><a href="#OpenLayers.Ajax.Base" class=LClass >OpenLayers.Ajax.Base</a></li></ul><!--START_ND_SUMMARY--><div class=Summary><div class=STitle>Summary</div><div class=SBorder><table border=0 cellspacing=0 cellpadding=0 class=STable><tr class="SGroup"><td class=SEntry><a href="#OpenLayers.Ajax.Request.Constructor" >Constructor</a></td><td class=SDescription></td></tr><tr class="SConstructor SIndent1 SMarked"><td class=SEntry><a href="#OpenLayers.Ajax.Request.OpenLayers.Ajax.Request" >OpenLayers.<wbr>Ajax.<wbr>Request</a></td><td class=SDescription></td></tr></table></div></div><!--END_ND_SUMMARY--></div></div></div>
32 <div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Ajax.Request.Constructor"></a>Constructor</h3></div></div>
34 <div class="CConstructor"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Ajax.Request.OpenLayers.Ajax.Request"></a>OpenLayers.<wbr>Ajax.<wbr>Request</h3><div class=CBody><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>url</td><td class=CDLDescription>{String}</td></tr><tr><td class=CDLEntry>options</td><td class=CDLDescription>{Object}</td></tr></table></div></div></div>
36 <div class="CClass"><div class=CTopic><h2 class=CTitle><a name="OpenLayers.Ajax.Response"></a>OpenLayers.<wbr>Ajax.<wbr>Response</h2><div class=CBody><!--START_ND_SUMMARY--><div class=Summary><div class=STitle>Summary</div><div class=SBorder><table border=0 cellspacing=0 cellpadding=0 class=STable><tr class="SGroup"><td class=SEntry><a href="#OpenLayers.Ajax.Response.Constructor" >Constructor</a></td><td class=SDescription></td></tr><tr class="SConstructor SIndent1 SMarked"><td class=SEntry><a href="#OpenLayers.Ajax.Response.OpenLayers.Ajax.Response" >OpenLayers.<wbr>Ajax.<wbr>Response</a></td><td class=SDescription></td></tr></table></div></div><!--END_ND_SUMMARY--></div></div></div>
38 <div class="CGroup"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Ajax.Response.Constructor"></a>Constructor</h3></div></div>
40 <div class="CConstructor"><div class=CTopic><h3 class=CTitle><a name="OpenLayers.Ajax.Response.OpenLayers.Ajax.Response"></a>OpenLayers.<wbr>Ajax.<wbr>Response</h3><div class=CBody><h4 class=CHeading>Parameters</h4><table border=0 cellspacing=0 cellpadding=0 class=CDescriptionList><tr><td class=CDLEntry>request</td><td class=CDLDescription>{Object}</td></tr></table></div></div></div>
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48 <div id=Menu><div class=MTitle>OpenLayers<div class=MSubTitle>JavaScript Mapping Library</div></div><div class=MEntry><div class=MGroup><a href="javascript:ToggleMenu('MGroupContent29')">OpenLayers</a><div class=MGroupContent id=MGroupContent29><div class=MEntry><div class=MFile><a href="../OpenLayers-js.html">OpenLayers</a></div></div><div class=MEntry><div class=MFile id=MSelected>Ajax</div></div><div class=MEntry><div class=MGroup><a href="javascript:ToggleMenu('MGroupContent1')">BaseTypes</a><div class=MGroupContent id=MGroupContent1><div class=MEntry><div class=MFile><a href="BaseTypes-js.html">Base Types</a></div></div><div class=MEntry><div class=MFile><a href="BaseTypes/Bounds-js.html">Bounds</a></div></div><div class=MEntry><div class=MFile><a href="BaseTypes/Class-js.html">Class</a></div></div><div class=MEntry><div class=MFile><a href="BaseTypes/Element-js.html">Element</a></div></div><div class=MEntry><div class=MFile><a 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