/* GENERAL */
function coreObject(sIndex) {
	return document.getElementById(sIndex);
}

function coreSubmit(sIndex) {
	if(typeof(sIndex) == "undefined")
		var sIndex = "SubmitData";
	document.getElementById(sIndex).submit();
}

function coreFocus(sIndex) {
	document.getElementById(sIndex).focus();
}

/* DISPLAY */
function coreDisplay(iId, sDisplay) {
	if(typeof(sDisplay) == "undefined") var sDisplay = 'inline';
	document.getElementById(iId).style.display = sDisplay;
}
function coreDisplayTableRows(sClass) {
	var aRows	= document.getElementsByTagName('tr');
	for(i=0; i<aRows.length; i++) {
		var sClassName	= aRows[i].className;
		if(sClassName.indexOf(sClass) > -1) {
			aRows[i].style.display	= 'table-row';
		}
	}
}
function coreToggleTableRows(sClass) {
	var aRows	= document.getElementsByTagName('tr');
	for(i=0; i<aRows.length; i++) {
		var sClassName	= aRows[i].className;
		if(sClassName.indexOf(sClass) > -1) {
			if(aRows[i].style.display == 'none')
				aRows[i].style.display	= 'table-row';
			else
				aRows[i].style.display	= 'none';
		}
	}
}
function coreUndisplay(iId) {
	document.getElementById(iId).style.display = 'none';
}
function coreToggleDisplay(sId, sDisplay, bForceReturn) {
	if(typeof(sDisplay) == "undefined") var sDisplay = 'inline';
	if(coreGetStyle(sId, 'display') == 'none') {
		coreSetStyle(sId, 'display', sDisplay);
		if(typeof(bForceReturn) != "undefined" && bForceReturn == true)
			return sDisplay;
	} else {
		coreSetStyle(sId, 'display', 'none');
		if(typeof(bForceReturn) != "undefined" && bForceReturn == true)
			return 'none';
	}
}

function coreToggleStyle(sId, sIndex, aValues) {
	if(coreGetStyle(sId, sIndex) == aValues[0])
		coreSetStyle(sId, sIndex, aValues[1]);
	else
		coreSetStyle(sId, sIndex, aValues[0]);
}

/* SET */
function coreSet(sId, sIndex, mValue) {
	var oObject	= document.getElementById(sId);
	oObject[sIndex] = mValue;
}
function coreSetStyle(sId, sIndex, mValue) {
	if(typeof(sId) == "object") {
		sId.style[sIndex] = mValue;
		return;
	}
	document.getElementById(sId).style[sIndex] = mValue;
}
function coreSetValue(sFieldId, sValue, bSkipIdCheck) {
	if(typeof(bSkipIdCheck) == "undefined") var bSkipIdCheck = false;
	var oObject		= coreObject(sFieldId);
	if(document.getElementById(sValue) && document.getElementById(sValue).type && bSkipIdCheck == false)
		var sValue	= coreGetValue(sValue);

	if(coreGet(sFieldId, 'type') == "select-one") {
		var aOptions	= coreGet(sFieldId, 'options');
		for(i=0;i<aOptions.length;i++) {
			if(oObject.options[i].value == sValue) {
				oObject.selectedIndex		= i;
				oObject.options[i].selected	= true;
				break;
			}
		}
	} else {
		document.getElementById(sFieldId).value = sValue;
	}
}
function coreSetHtml(sId, sHtml) {
	var sHtmlIndex	= "#" + sId;
	$jQuery(sHtmlIndex).text	= sHtml;
}

function coreSetRange(sInputId, selectionStart, selectionEnd) {
   // IE
   if(document.getElementById(sInputId).createTextRange) {
      var range = document.getElementById(sInputId).createTextRange();
      range.collapse(true);
      range.moveEnd('character', selectionEnd);
      range.moveStart('character', selectionStart);
      range.select();
    // real browsers :)
    } else if(document.getElementById(sInputId).setSelectionRange) {
      document.getElementById(sInputId).focus();
      document.getElementById(sInputId).setSelectionRange(selectionStart, selectionEnd);
    }
}

/* GET */
function coreGet(sId, sIndex) {
	if(!document.getElementById(sId)) return false;
	var oObject	= document.getElementById(sId);
	return oObject[sIndex];
}
function coreGetStyle(sId, sIndex) {
	var oObject	= document.getElementById(sId);
	return oObject.style[sIndex];
}
function coreGetValue(sFieldId) {
	var oObject	= coreObject(sFieldId);
	
	if(coreGet(sFieldId, 'type') == "select-one") {
		return oObject.options[oObject.selectedIndex].value;
	} else {
		return oObject.value;
	}
}

/* ADD */
function coreAddSelectOption(sFieldId, sText, mValue, bDefaultSelected, bSelected) {
	var oObject		= document.getElementById(sFieldId);
	if(typeof(bDefaultSelected) == "undefined") bDefaultSelected = false;
	if(typeof(bSelected) == "undefined") bSelected = false;
	oNewOption	= new Option(sText, mValue, bDefaultSelected, bSelected);
	oObject.options[oObject.options.length] = oNewOption;
}

/* MOVE */
function coreMoveSelectedUp(sFieldId, iSelectedIndex) {
	if(iSelectedIndex < 1) {
		alert('Column already on first position!');
		return false;
	}
	oSelect			= document.getElementById(sFieldId);
	sSelectedValue	= oSelect.options[iSelectedIndex].value;
	sSelectedText	= oSelect.options[iSelectedIndex].text;
	var iTempIndex	= iSelectedIndex - 1;
	sTempValue		= oSelect.options[iTempIndex].value;
	sTempText		= oSelect.options[iTempIndex].text;
	oSelect.options[iTempIndex].value		= sSelectedValue;
	oSelect.options[iTempIndex].text		= sSelectedText;
	oSelect.options[iSelectedIndex].value	= sTempValue;
	oSelect.options[iSelectedIndex].text	= sTempText;
	oSelect.selectedIndex	= iTempIndex;
}
function coreMoveSelectedDown(sFieldId, iSelectedIndex) {
	if(iSelectedIndex >= document.getElementById(sFieldId).options.length - 1) {
		alert('Column already on last position!');
		return false;
	}
	oSelect			= document.getElementById(sFieldId);
	sSelectedValue	= oSelect.options[iSelectedIndex].value;
	sSelectedText	= oSelect.options[iSelectedIndex].text;
	var iTempIndex	= iSelectedIndex + 1;
	sTempValue		= oSelect.options[iTempIndex].value;
	sTempText		= oSelect.options[iTempIndex].text;
	oSelect.options[iTempIndex].value		= sSelectedValue;
	oSelect.options[iTempIndex].text		= sSelectedText;
	oSelect.options[iSelectedIndex].value	= sTempValue;
	oSelect.options[iSelectedIndex].text	= sTempText;
	oSelect.selectedIndex	= iTempIndex;
}

/* CHECK */
function coreCheckAll(sFieldNames, thisForm) {
	try {
		if(typeof(thisForm) == "undefined")		var thisForm		= "SubmitData";
		if(typeof(sFieldNames) == "undefined")	var sFieldNames		= "";
	
		if(isNaN(thisForm)) {
			for(i = 0; i < document.forms.length; i++) {
				if(document.forms[i].name == thisForm) {
					var o = document.forms[i].elements;
					break;
				}
			}
		} else {
			var o = document.forms[thisForm].elements
		}
		if(o) {
			for(i=0; i<o.length; i++) {
				if(sFieldNames != '') {
					if((o[i].type == 'checkbox') && (o[i].name.indexOf(sFieldNames) != -1)) {
						o[i].checked = true;
					}
				} else {
					if(o[i].type == 'checkbox') {
						o[i].checked = true;
					}
				}
			}
		}
	} catch(error) {
		alert(error);
	}
}

function coreCheckNone(sFieldNames, thisForm) {
	try {
		if(typeof(thisForm) == "undefined")		var thisForm		= "SubmitData";
		if(typeof(sFieldNames) == "undefined")	var sFieldNames		= "";
	
		if(isNaN(thisForm)) {
			for(i = 0; i < document.forms.length; i++) {
				if(document.forms[i].name == thisForm) {
					var o = document.forms[i].elements;
					break;
				}
			}
		} else {
			var o = document.forms[thisForm].elements
		}
		if(o) {
			for(i=0; i<o.length; i++) {
				if(sFieldNames != '') {
					if((o[i].type == 'checkbox') && (o[i].name.indexOf(sFieldNames) != -1)) {
						o[i].checked = false;
					}
				} else {
					if(o[i].type == 'checkbox') {
						o[i].checked = false;
					}
				}
			}
		}
	} catch(error) {
		alert(error);
	}
}

/* CALCULATIONS */
function coreFormatInt(zahl, k, sUpdateIndex){
    if(!k) 
        k = 4;
    if(typeof(fix) == "undefined") var fix = true;
    
    var neu = '';
    // Runden
    var f = Math.pow(10, k);
    zahl = '' + parseInt(zahl * f + (.5 * (zahl > 0 ? 1 : -1))) / f;
    // Komma ermittlen
    var idx = zahl.indexOf('.');
    // fehlende Nullen einfügen
    if (fix) {
        zahl += (idx == -1 ? '.' : '') +
        f.toString().substring(1);
    }

    // Nachkommastellen ermittlen
    idx = zahl.indexOf('.');
    if (idx == -1) 
        idx = zahl.length;
    else 
        neu = '.' + zahl.substr(idx + 1, k);
    // Tausendertrennzeichen
    while (idx > 0) {
        if (idx - 3 > 0) 
           neu = '' + zahl.substring(idx - 3, idx) + neu;
        else 
            neu = zahl.substring(0, idx) + neu;
        idx -= 3;
    }
    if(typeof(sUpdateIndex) != "undefined")
    	coreSetValue(sUpdateIndex, neu);
    return neu;
}

function coreIncreaseTax(iNettoVal, iTax, sUpdateFieldId, sFormatFieldId) {
	if(isNaN(iNettoVal) || iNettoVal == "") iNettoVal = 0.0;
	if(isNaN(iTax) || iTax == "") iTax = 0.0;
	
	var iBruttoVal		= parseFloat(iNettoVal) * (1 + (parseFloat(iTax) / 100));
   	iBruttoVal			= coreFormatInt(iBruttoVal);
   	if(typeof(sUpdateFieldId) == "undefined" || sUpdateFieldId == false) return iBruttoVal;
   	coreSetValue(sUpdateFieldId, iBruttoVal);
   	if(typeof(sFormatFieldId) != "undefined") {
   		var sFormattedValue	= coreFormatInt(coreGetValue(sFormatFieldId));
   		coreSetValue(sFormatFieldId, sFormattedValue);
   	}
}

function coreDecreaseTax(iBruttoVal, iTax, sUpdateFieldId, sFormatFieldId) {
	if(isNaN(iBruttoVal) || iBruttoVal == "") iNettoVal = 0.0;
	if(isNaN(iTax) || iTax == "") iTax = 0.0;
	
	var iNettoVal		= ((parseFloat(iBruttoVal) * 100) / (100 + parseFloat(iTax)));
	iNettoVal			= coreFormatInt(iNettoVal);
	if(typeof(sUpdateFieldId) == "undefined" || sUpdateFieldId == false) return iNettoVal;
   	coreSetValue(sUpdateFieldId, iNettoVal);
   	if(typeof(sFormatFieldId) != "undefined") {
   		var sFormattedValue	= coreFormatInt(coreGetValue(sFormatFieldId));
   		coreSetValue(sFormatFieldId, sFormattedValue);
   	}
}

/* DATE */
function coreGetTimestamp() {
	try {
		var exdate		= new Date();
		var sDate		= exdate.toGMTString();
		return Date.parse(sDate);
	} catch(error) {
		alert(error);
	}
}

/* WINDOW */
function coreWindowResetSize() {
	window.resizeBy(1, 1);
	window.resizeBy(-1, -1);
}

/* SORT ORDER-IDS */
function coreNumsort(a, b) {
  return a - b;
}

function coreSortableActivate(sIndex) {
	if(typeof(sIndex) == "undefined") var sIndex = "DataTable";
	$jQuery('#'+sIndex+'').tableDnD({
		onDrop: function(table, row) {
			coreSetOrderIds($jQuery.tableDnD.serialize(), 'multiSaveOrderId');
		}
	});
}

function coreSetOrderIds(sSerializedString, sOrderFieldId) {
	try {
		var aAvailables	= new Array();
		var iLoop		= 0;
		var iMinIndex	= 0;
		$jQuery("input").each(function(i){
		    if(this.id.indexOf('multiSaveOrderId') > -1) {
		    	aAvailables[iLoop]	= this.value;
		    	iLoop++;
		    }
		});
		aAvailables.sort(coreNumsort);
		var iLoop		= 0;
		$jQuery("input").each(function(i){
		    if(this.id.indexOf('multiSaveOrderId') > -1) {
		    	this.value	= aAvailables[iLoop];
		    	iLoop++;
		    }
		});
		return;
	} catch(error) {
		alert(error);
	}
}

function coreResetOrderIds(sSerializedString, sOrderFieldId) {
	try {
		var iMinIndex	= 0;
		$jQuery("input").each(function(i){
		    if(this.id.indexOf('multiSaveOrderId') > -1) {
		    	if(this.value > 0 && this.value < iMinIndex) iMinIndex	= this.value;
		    }
		});
		$jQuery("input").each(function(i){
		    if(this.id.indexOf('multiSaveOrderId') > -1) {
		    	this.value	= iMinIndex;
		    	iMinIndex++;
		    }
		});
		return;
	} catch(error) {
		alert(error);
	}
}

/* STRINGS */
function coreTrim(sString) {
	for(i=0; i<sString.length; i++) {
		if(sString[0] == " " || sString[0] == "\t" || sString[0] == "\r" || sString[0] == "\n")
			sString	= sString.substr(i);
		else
			break;
	}
	for(i=sString.length; i>0; i--) {
		var iLast	= sString.length;
		if(sString[iLast] == " " || sString[iLast] == "\t" || sString[iLast] == "\r" || sString[iLast] == "\n")
			sString	= sString.substr(0, iLast);
		else
			break;
	}
	return sString;
}