// JavaScript Document
function MM_preloadImages() { //v3.0
  var d=document; if(d.images){ if(!d.MM_p) d.MM_p=new Array();
    var i,j=d.MM_p.length,a=MM_preloadImages.arguments; for(i=0; i<a.length; i++)
    if (a[i].indexOf("#")!=0){ d.MM_p[j]=new Image; d.MM_p[j++].src=a[i];}}
}

function MM_swapImgRestore() { //v3.0
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

function MM_findObj(n, d) { //v4.01
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && d.getElementById) x=d.getElementById(n); return x;
}

function MM_swapImage() { //v3.0
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function ltrim(argvalue) {

  while (1) {
    if (argvalue.substring(0, 1) != " ")
      break;
    argvalue = argvalue.substring(1, argvalue.length);
  }
  return argvalue;
}

//rtrim function
function rtrim(argvalue) {

  while (1) {
    if (argvalue.substring(argvalue.length - 1, argvalue.length) != " ")
      break;
    argvalue = argvalue.substring(0, argvalue.length - 1);
  }

  return argvalue;
}

function rem_newline(argvalue){
  tempstr = argvalue.replace("\r","");
  tempstr = tempstr.replace("\n","");
  return tempstr;
}

function rem_extra_spaces(argvalue){
	tmpstr = argvalue;
	while(1){
		if(tmpstr.indexOf("  ")==-1)
			break;
		tmpstr = tmpstr.replace("  ", " ");
	}
	return tmpstr;
}
//trim function
function trim(argvalue){
  var tmpstr = ltrim(argvalue);
  tmpstr = rem_newline(tmpstr);
  tmpstr = rem_extra_spaces(tmpstr);
  tmpstr = rtrim(tmpstr);
  return tmpstr;
}

function GetXmlHttpObject(){ 
	var objXMLHttp=false;
	if (window.XMLHttpRequest){
		objXMLHttp=new XMLHttpRequest()
	}
	else if (window.ActiveXObject){
		objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
	}
	return objXMLHttp
} 

function calculatevars(){
	parag = document.getElementById('para').value;

	if(parag.length>0){
		doAJAX('./calculate.php','POST', 'strval='+escape(parag));
	}else{
		alert('No Text Entered');
	}
	
}

function popUp(URL, scrollrequire){
	if(!scrollrequire){
		scrollrequire=0;
	}
	day = new Date();
	id = day.getTime();
	eval("page" + id + " = window.open(URL, '" + id + "', 'toolbar=0,scrollbars='+scrollrequire+',location=0,statusbar=0,menubar=0,resizable=0,width=500,height=500,left = 262,top = 134');\
			page"+id+".opener=window;");
	
}


function GetXmlHttpObject()
{ 
	var objXMLHttp=null
	if (window.XMLHttpRequest){
		objXMLHttp=new XMLHttpRequest()
	}
	else if (window.ActiveXObject){
		objXMLHttp=new ActiveXObject("Microsoft.XMLHTTP")
	}
	return objXMLHttp
} 
var xmlHttp;
var url;



function doAJAX(file, method, params){
	url=file;
	xmlHttp=GetXmlHttpObject();
	if (xmlHttp==null){
		alert('Merge data functionality is not supported by your browser');
	} 
	if (method!='GET' && method!='POST')
		return false;
	if (method=='GET'){
		url+='?'+params;
	}

	xmlHttp.open(method,url,true);
	
	if(method=='POST'){
		xmlHttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	}

	xmlHttp.onreadystatechange=function(){
		try{
			if (xmlHttp.readyState==4 || xmlHttp.readyState=="complete"){

				eval(xmlHttp.responseText);
			}
		}catch(e){
			
		}
	}

	if (method=='POST' && params!='')
		xmlHttp.send(params);
	else
		xmlHttp.send(null);

	return false;
}
function addOption(ctl, optval, opttext){
	var elOptNew = document.createElement('option');
    elOptNew.text = opttext;
    elOptNew.value = optval;
    document.getElementById(ctl).options.add(elOptNew);
}

function clearAllOptions(ctl, startInd, endInd){
	
	obj=document.getElementById(ctl);
	if (startInd==undefined) startInd=0;
	if (endInd==undefined || endInd>obj.length) endInd=obj.length-1;
	if (startInd>obj.length) return;
	
	for(i=startInd;i<=endInd;i++){
		obj.remove(i);
	}
}