//===================================================
//==============AJAX set up==================
//===================================================
var XMLHttpRequestObject = false; 

if (window.XMLHttpRequest) {
	XMLHttpRequestObject = new XMLHttpRequest();
} else if (window.ActiveXObject) {
	XMLHttpRequestObject = new ActiveXObject("Microsoft.XMLHTTP");
}

function getData(dataSource, divID) { 
	if(XMLHttpRequestObject) {
		var obj = document.getElementById(divID); 
		XMLHttpRequestObject.open("GET", dataSource); 
		XMLHttpRequestObject.onreadystatechange = function(){ 
			if (XMLHttpRequestObject.readyState == 4 && 
			  XMLHttpRequestObject.status == 200) {
				fileText = XMLHttpRequestObject.responseText;
				obj.innerHTML = fileText; 
			}
		}

	XMLHttpRequestObject.send(null); 
	}
}

//===================================================


function blinkIt() {
 if (!document.all) return;
 else {
   for(i=0;i<document.all.tags('blink').length;i++){
      s=document.all.tags('blink')[i];
      s.style.visibility=(s.style.visibility=='visible')?'hidden':'visible';
   }
 }
}

function changeClass(obj, styleClass){

//	var obj = document.getElementById(objId); 

	obj.className = styleClass; 

	

}




function imgScale(objID) {

	tmp = parseInt(document.getElementById(objID).style.width, 10)

	if (tmp < 790) {

		 	tmp =  parseInt(document.getElementById(objID).style.width, 10)

			tmp += 10;

			document.getElementById(objID).style.width = tmp + "px";

		 	tmp =  parseInt(document.getElementById(objID).style.height, 10)

			tmp += 10;

			document.getElementById(objID).style.height = tmp + "px";

			window.setTimeout("imgScale('"+ objID +"');", 1);



	}else{

		document.getElementById('zoomOut').style.visibility = 'visible';
		document.getElementById('imuLabel').style.visibility = 'visible';

		document.getElementById(objID).style.cursor = "default";

	}





}




function popup(windowname,img){
	myimage = new Image(); 

	myimage.src = "images/"+img;

	var width= myimage.width + 15;

	var height= myimage.height + 15;
//alert(windowname);
	newWin = window.open("", "'"+windowname+"'", 'width=' + width + ',height=' + height + ',scrollbars=no');

	newWin.document.writeln("<HTML><HEAD><TITLE>" + windowname + "</TITLE><HEAD>");
	newWin.document.writeln("<BODY>");
	newWin.document.writeln("<img src='"+myimage.src+"'/>");
	newWin.document.writeln("</BODY></HTML>");

	//newWin.document.writeln("<div style='text-align:center'><a href='pdfs/summit.pdf'>Open PDF (1.6 MB)</a></div>");
	newWin.document.close() 

	return false;
}

function getURLParam(strParamName){
  var strReturn = "";
  var strHref = window.location.href;
  if ( strHref.indexOf("?") > -1 ){
    var strQueryString = strHref.substr(strHref.indexOf("?")).toLowerCase();
    var aQueryString = strQueryString.split("&");
    for ( var iParam = 0; iParam < aQueryString.length; iParam++ ){
      if (aQueryString[iParam].indexOf(strParamName.toLowerCase() + "=") > -1 ){
        var aParam = aQueryString[iParam].split("=");
        strReturn = aParam[1];
        break;
      }
    }
  }
  return unescape(strReturn);
}

