/*$Id$ */

// ------------------- General Object related methods ---------------------- //

var browser_opera = false;
var browser_ie = false;
var browser_nn6 = false;
var browser_nn4 = false;

if (document.all)
{
  if (window.navigator.appName.toUpperCase=="OPERA")
	browser_opera=true;
  else
	browser_ie=true;
}
else if (document.layers || (!document.all && document.getElementById))
  browser_nn6=true;
else if (document.layers)
  browser_nn4=true;

function getInternetExplorerVersion()
{
  var rv = -1; // Return value assumes failure.
  if (navigator.appName == 'Microsoft Internet Explorer')
  {
    var ua = navigator.userAgent;
    var re  = new RegExp("MSIE ([0-9]{1,}[\.0-9]{0,})");
    if (re.exec(ua) != null)
      rv = parseFloat( RegExp.$1 );
  }
  return rv;
}

var ie_version = getInternetExplorerVersion();

/**
 * Retruns the x position of the given object in the window / screen.
 */
function findPosX(obj) {
	var curleft = 0;
	if (document.getElementById || document.all) {
		curleft += document.body.offsetLeft;
		while (obj.offsetParent) {
			curleft += obj.offsetLeft;
			obj = obj.offsetParent;
		}
	}
	else if (document.layers) {
		curleft += obj.x;
	}
	return curleft;
}

/**
 * Retruns the x position of the given object in the window / screen.
 */
function findPosY(obj) {
	var curtop = 0;
	if (document.getElementById || document.all) {
		curtop += document.body.offsetTop;
		while (obj.offsetParent) {
			curtop += obj.offsetTop;
			obj = obj.offsetParent;
		}
	} else if (document.layers) {
		curtop += obj.y;
	}
	return curtop;
}

function findDocDim() {
	if (browser_ie) {
		return {
    		width : document.body.offsetWidth + document.body.scrollLeft,
			height : document.body.offsetHeight + document.body.scrollTop
		}
	} else if (browser_nn4 || browser_nn6) {
		return {
			width : window.innerWidth + document.body.scrollLeft,
			height : window.innerHeight + document.body.scrollTop
		}
	}
}

function findDocClientDim() {
	if (browser_ie) {
		return {
    		width : document.body.offsetWidth,
			height : document.body.offsetHeight
		}
	} else if (browser_nn4 || browser_nn6) {
		return {
			width : window.innerWidth,
			height : window.innerHeight
		}
	}
}

function getCursorPos(ev) {
	if (browser_ie) {
		var x = window.event.clientX + document.body.scrollLeft;
		var y = window.event.clientY + document.body.scrollTop;
	} else if (browser_nn6) {
		var x = ev.pageX;
		var y = ev.pageY;
	}

	return { x : x, y : y };
}

/**
 * Retruns the object for the given element id and document object.
 */
function getObj(n,d) 
{
	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=getObj(n,d.layers[i].document);
	}

	if(!x && d.getElementById){
		x=d.getElementById(n);
	}
	return x;
}

/**
 * Creating trim() function and added to String object as prototype
 */
String.prototype.trim = function() {
  var x = this;
  x = x.replace(/^\s*(.*)/, "$1");
  x = x.replace(/(.*?)\s*$/, "$1");
  return x;
}

/**
 * Clears text selection
 */
function clearTextSelection() {
	if (window.getSelection) {
		window.getSelection().removeAllRanges();
	} else if (document.getSelection) {
		var s = document.getSelection();
		if (s.collapse) s.collapse(true);
		if (s.removeAllRanges) s.removeAllRanges();
 	} else if (document.selection) {
		document.selection.empty();
	}
}

function getForm(action, keys, vals, method) 
{
	var samplef = null;
	if(samplef == null) {
		samplef = document.createElement('form');
		samplef.method="post";//No I18N
		document.body.appendChild(samplef);
	}
	if(method && method != null && (method.toLowerCase() == "get" || method.toLowerCase() == "post"))
	{
		samplef.method=method.toLowerCase();
	}
	else
	{
		samplef.method="post";//No I18N
	}
	var elems = samplef.elements;
	for(var i = elems.length-1; i>=0; i--) {
		samplef.removeChild(elems.item(i));
	}
	samplef.action = action;
	for(var i=0; i<keys.length; i++) {
		samplef.appendChild(getInp(keys[i], vals[i]));
	}
	return samplef;
}

function getFormandAppendElem(fElem, keys, vals)
{
	samplef = fElem;
	for(var i=0; i<keys.length; i++) {
		samplef.appendChild(getInp(keys[i], vals[i]));
	}
	return samplef;
}


/*if(!document.all) 
{
   HTMLElement.prototype.outerHTML
     setter =  function(str)
               {
                 var r = this.ownerDocument.createRange();
                 r.setStartBefore(this);
                 var df = r.createContextualFragment(str);
                 this.parentNode.replaceChild(df, this);
                 return str;
               };

   HTMLElement.prototype.outerHTML
     getter =  function ()
               {
                 return getOuterHTML(this)
               };

   function getOuterHTML(node)
   {
         var str = "";
     var empties = ["IMG", "HR", "BR", "INPUT"];//No I18N

     switch (node.nodeType)
     {
       case 1: // ELEMENT_NODE
         str += "<" + node.nodeName;
         for(var i = 0; i < node.attributes.length; i++)
         {
           if(node.attributes.item(i).nodeValue != null)
           {
             str += " "
             str += node.attributes.item(i).nodeName;
             str += "=\"";
             str += node.attributes.item(i).nodeValue;
             str += "\"";
           }
         }

                 var index = -1;
                 for(var i = 0; i < empties.length; i++)
                 {
                   if(empties[i] == node.nodeName)
                   {
                         index = i;
                         break;
                   }
                 }

                 if(node.childNodes.length == 0 && index > 0)
           str += ">";
         else
         {
           str += ">";
           str += node.innerHTML;
           str += "</" + node.nodeName + ">"
        }
         break;

       case 3:  //TEXT_NODE
         str += node.nodeValue;
         break;

       case 4: // CDATA_SECTION_NODE
         str += "<![CDATA[" + node.nodeValue + "]]>";//No I18N
         break;

       case 5: // ENTITY_REFERENCE_NODE
         str += "&" + node.nodeName + ";"
         break;

       case 8: // COMMENT_NODE
         str += "<!--" + node.nodeValue + "-->"
         break;
     }

     return str;
   }
}*/
/*
 * This function will hide the div if we click on some other part of the page. 
 * Note : It won't hide the div if we click on the opener(lead to open the div) and div(that going to open).
 */

function hideOnBlur(e) 
{
	var openerArr = new Array('DOWN_ARROW', 'filterIcon','licenseFilterIcon','searchDownArrow'); //div(s) to be ignored if a click is made on thats
	var divs = new Array('SEARCH_CRI', 'filter','licenseFilterDiv'); // div(s) to be closed on click
	for(var i=0; i<openerArr.length; i++)
	{
		var openerId = openerArr[i];
		var divId = divs[i];

		if(eval(docid(divId)))
		{
			e = e || event
				var target = e.target || e.srcElement	

			var tarId	= target.id;
			var tag		= target.tagName;
			var clName	= target.className;

			//var topPos	= parseInt(docid(divId).offsetTop);
			//var leftPos	= parseInt(docid(divId).offsetLeft);	

			var topPos	= parseInt(findPosY(docid(divId)));
			var leftPos 	= parseInt(findPosX(docid(divId)));

			var elWidth	= parseInt(docid(divId).scrollWidth);
			var elHeight	= parseInt(docid(divId).scrollHeight);

			var cursorPos 	= getCursorPos(e);
			var xPos	= parseInt(cursorPos.x);
			var yPos	= parseInt(cursorPos.y);

			//alert("xPos :: "+xPos+"::"+leftPos+"::"+eval(leftPos+elWidth)+". yPos :: "+yPos+"::"+topPos);
			if(tarId !=openerId && ( xPos < leftPos || xPos > eval(leftPos+elWidth) || yPos < topPos || yPos > eval(topPos+elHeight) ))
			{
				docid(divId).style.display='none';
			}
		}
	}
}

function openChildStatus(pId, cId, minFrmTopPos, minFrmLeftPos)
{
	var posTop = findPosY(docid(pId));
	var posLeft = findPosX(docid(pId));

	var parElHeight	= parseInt(docid(pId).scrollHeight);
	var parElWidth	= parseInt(docid(pId).scrollWidth);

	var t = posTop + parElHeight/2 - new Number(minFrmTopPos);
	var l = posLeft + parElWidth/2 - new Number(minFrmLeftPos);

	docid(cId).style.top=t+"px";
	docid(cId).style.left=l+"px";
	docid(cId).style.display='block';
}
function hCEle(id, dis){docid(id).style.display=dis;}