//common javascript, which can be useful for all portlets

// used to set for all checkboxes checked property to blnChecked
function checkAllCheckboxes(blnChecked)
{
	var x = document.getElementsByTagName('input');
	for(i=0;i<x.length;i++){
		if(x[i].type=='checkbox'){
			x[i].checked = blnChecked;
		}
	}
}

// used to set for all checkboxes which name contains txtNamePart
//checked property to blnChecked
function checkAllCheckboxesWithName(blnChecked, txtNamePart)
{
	var x = document.getElementsByTagName('input');
	//for safety
	if(txtNamePart==null){
		txtNamePart = "";
	}
	for(i=0;i<x.length;i++){
		if(x[i].type=='checkbox' && x[i].name.indexOf(txtNamePart)>=0){
			x[i].checked = blnChecked;
		}
		if(x[i].type=='radio' && x[i].name.indexOf(txtNamePart)>=0){
			x[i].checked = blnChecked;
		}
	}
}

// used to set for all checkboxes which id contains txtNamePart
//checked property to blnChecked
function checkAllCheckboxesWithID(blnChecked, txtIdPart)
{
	var x = document.getElementsByTagName('input');
	//for safety
	if(txtIdPart==null){
		txtIdPart = "";
	}
	for(i=0;i<x.length;i++){
		if(x[i].type=='checkbox' && x[i].id!=null && x[i].id.indexOf(txtIdPart)>=0){
			x[i].checked = blnChecked;
		}
		if(x[i].type=='radio' && x[i].id!=null && x[i].id.indexOf(txtIdPart)>=0){
			x[i].checked = blnChecked;
		}
	}
}
// used to set for all control for tag txtTagName which name contains txtNamePart
//visibility
function setControlsVisibilityWithNames(blnVisible, txtTagName, txtNamePart1, txtNamePart2)
{
	var x = document.getElementsByTagName(txtTagName);
	//for safety
	if(txtNamePart1==null){
		txtNamePart1 = "";
	}
	if(txtNamePart2==null){
		txtNamePart2 = "";
	}	
	for(i=0;i<x.length;i++){
		if(x[i].id.indexOf(txtNamePart1)>=0 && x[i].id.indexOf(txtNamePart2)>=0 && x[i].getAttribute('Type') != 'checkbox'){
			x[i].style.display = (blnVisible) ? 'block' : 'none';
			x[i].style.visibility = (blnVisible) ? 'visible' : 'hidden';
		}
	}
}

// used to set for all control for tag txtTagName which name contains txtNamePart
//visibility
function setControlsVisibilityWithName(blnVisible, txtTagName, txtNamePart)
{
	setControlsVisibilityWithNames(blnVisible, txtTagName, txtNamePart, "")
}

// used to set visibility for all controls in the same data grid row as objControl
// for tag txtTagName which name contains txtNamePart;
//Use Ex: if datagrid contains checkboxes and input; and we need to set input visibility based
// on checkbox status in the row
function setControlsVisibilityInTheSameRow(objControl, blnVisible, txtTagName, txtNamePart)
{
	// ids in datagrid consists of several section divided by '_';
	var str = objControl.id;
	if(!str){
		return;
	}
	var index = objControl.id.lastIndexOf('_');
	// get substring including _
	str = str.substr(0,index+1);
	setControlsVisibilityWithNames(blnVisible, txtTagName, str, txtNamePart);
}

// used to set visibility for all controls in the same data grid row as objControl
// for tag txtTagName;
//Use Ex: if datagrid contains checkboxes and input; and we need to set input visibility based
// on checkbox status in the row
function setControlsVisibilityInTheSameRow(objControl, blnVisible, txtTagName)
{
	// ids in datagrid consists of several section divided by '_';
	var str = objControl.id;
	if(!str){
		return;
	}
	var index = objControl.id.lastIndexOf('_');
	// get substring including _
	str = str.substr(0,index+1);
	setControlsVisibilityWithName(blnVisible, txtTagName, str);
}

// check value of obj to be correct AD object name, if not - 
// shows message and put focus on obj
function checkADObjectName(obj, errMsg)
{
//must be the same as CPConstants.AD_NAME_VALIDATION_EXPR 
	var re = /.*[;<>\\\/,:?+_&#=].*/;
	if (obj.value.match(re)) {
		alert(errMsg);
		obj.select();
		obj.focus();
		return false;
	}
	else
	{
		return true;
	}
}
/* used to move up/down selected items in listbox
objList - listbox
dir - direction 1=up, -1=down;
errNothingSelected - if passed and nothing is selected this message will be shown as alert
*/
function moveSelectedInList(objList, dir, errNothingSelected) {
   dir = (dir>0)? 1: -1;
   if ( objList.length == -1) {  // If the list is empty
      return;
   } 
   else {
		var arrSelected = new Array();
		var arrSelectedIndex = 0;
		// get all selected vals
		for(var i=0; i<objList.options.length;i++){
			opt = objList.options[i];
			if(opt.selected){
				arrSelected[arrSelectedIndex] = i;
				arrSelectedIndex++;
			}
		}
		// move all selected vals
		var selected = null;
		// if direction is to move down - rearrange order
		if(dir<0){
			arrSelected.reverse();
		}
		// if nothing selected and error message is passed - show it
		if(arrSelected.length == 0 && errNothingSelected!=null && errNothingSelected!=""){
			alert(errNothingSelected);
			return;
		}
		for(var i=0; i<arrSelected.length;i++){
			selected = arrSelected[i];
			if ( objList.length == 0 ) {  // If there's only one in the list
				// do nothing
			} 
			else {  // There's more than one in the list, rearrange the list order
				if ( (selected == objList.length-1) && (dir==-1) ) {
					//The last entry in the list cannot be moved down. - do nothing
				} 
				else if((selected == 0) && (dir==1)) {
					//The first entry in the list cannot be moved up. - do nothing
				}
				else {
					// Get the text/value of the one directly below the hightlighted entry as
					// well as the highlighted entry; then flip them
					var moveText1 = objList[selected-dir].text;
					var moveText2 = objList[selected].text;
					var moveValue1 = objList[selected-dir].value;
					var moveValue2 = objList[selected].value;
					objList[selected].text = moveText1;
					objList[selected].value = moveValue1;
					objList[selected-dir].text = moveText2;
					objList[selected-dir].value = moveValue2;
					objList.options[selected].selected = false;
					objList.options[selected-dir].selected = true; // Select the one that was selected before
				}  // Ends the check for selecting one which can be moved
			}  // Ends the check for there being something selected
		} // end move all elements
	} 
}

/* add an item to listbox
 objList - listbox; itemText - item text; itemValue - item value; selected - id item should be selected
*/ 
function addLBItem(objList,itemText, itemValue, selected) {
	if(objList!=null && objList.options!=null){
		var optionObject = new Option(itemText, itemValue, false, selected)
		var optionRank = objList.options.length
		objList.options[optionRank]=optionObject
    }
}
/* delete an item from listbox
objList - listbox; itemIndex - item index
*/
function deleteLBItem(objList,itemIndex) {
	if(objList!=null && objList.options!=null){
		if (objList.options.length!=0 && objList.options.length > itemIndex) { 
			objList.options[itemIndex]=null 
		}
    }
}
/*select all items in given listbox
*/
function SelectAllLBItems(objForm, objListName)
{
	if(objForm[objListName]!=null && objForm[objListName].options!=null){
		var intCount = objForm[objListName].options.length;
		for (i = 0; i < intCount; i++)
			objForm[objListName].options[i].selected = true;
	}
}
/* find all listboxes with id prefix as listboxesPrefix
and move selected items from them to objToList listbox
*/
function moveSelItemsFromListboxes(objToList, listboxesPrefix){
	//for safety check params
	if(listboxesPrefix==null){
		listboxesPrefix = "";
	}
	
	if(objToList==null){
		return;
	}
	var toName = objToList.name;
	
	var x = document.getElementsByTagName('select');
	// loop thru all listboxes
	for(i=0;i<x.length;i++){
		if(x[i].id!=null && x[i].id!=objToList.id && x[i].id.indexOf(listboxesPrefix)>=0 && x[i].options!=null){
			// loop thru all listbox items
			for(var j=0; j<x[i].options.length;j++){
				opt = x[i].options[j];
				if(opt.selected){
					// copy selected and delete from parent listbox
					addLBItem(objToList, opt.text, opt.value, false);
					deleteLBItem(x[i],j);
					j--;
				}
			}
		}
	}
}
/* find element with given id and change it's class to given class
*/
function ChangeElementClass(id, ClassName){
	var o = document.getElementById(id);
	if(typeof(o)!='undefined'){
		o.className=ClassName;
	}
	return true;
}
/* replace in id1 string idpart2search to string idpart2replace 
find element by that new id and change it's class to given class
*/
function SearchNChangeElementClass(id1, idpart2search, idpart2replace, className){
	if(id1==null || idpart2search==null || idpart2replace==null)
		return false;

	var id=id1;
	id = id.replace(idpart2search, idpart2replace);
	
	ChangeElementClass(id, className);
	
	return true;
}

/*If set to zero is true, we find the input box that resembles the
value passed as inpID and set it's value to zero
*/
function setTextBoxToZero(SetToZero,inpID)
{
	var x = document.getElementsByTagName('input');
	if(SetToZero)
	{
		for(i=0;i<x.length;i++)
		{
			if(x[i].id.indexOf('MIN' + inpID)>=0)
			{
				x[i].value = '0';
				x[i].disabled = 'disabled'
				return;
			}
		}
	}
	else
	{
		for(i=0;i<x.length;i++)
		{
			if(x[i].id.indexOf('MIN' + inpID)>=0)
			{
				x[i].value = '0';
				x[i].disabled = ''
				return;
			}
		}	
	
	}

}