function getFieldValue(sID) {
	obj = document.getElementById(sID);
	if (obj==null) return false;
	return obj.value;
}
function clearSelect(sID) {
	obj = document.getElementById(sID);
	if (obj==null) return false;
	for(i=obj.length-1;i!=-1;i--)
		obj.options[i] = null;	
}


function isArray(obj) {
   if (obj.constructor.toString().indexOf("Array") == -1)
      return false;
   else
      return true;
}

function arrayToSelect(sID, aArray,iC) {
	if (iC==undefined) iC=-1;
	clearSelect(sID);
	
	obj = document.getElementById(sID);
	if (obj==null) return false;
	for (i=0;i<aArray.length+iC;i++) {
		if (aArray[i]==undefined) continue;
		if (isArray(aArray[i])) {
			obj.options[i] = new Option(aArray[i][0]);
			obj.options[i].value = aArray[i][1];
		} else {
			aEntry = aArray[i].split('\t');
			obj.options[i] = new Option(aEntry[1]);
			obj.options[i].value = aArray[i];
		}
	}	
}

function getListArray(sID) {
	objLA = document.getElementById(sID);
	if (objLA==null) return false;
	
	aReturn = new Array();
	
	for (i=0;i<objLA.length;i++) {
		aReturn[objLA.options[i].value] = objLA.options[i].text;
	}	
	return aReturn;
}

function setFocus(sField) {
	o = document.getElementById(sField);
	if (o != undefined) o.focus();
}

function selectValueText(sObject,mValue) {
	var obj = document.getElementById(sObject);
	if (obj==undefined) return false;
	switch(obj.type) {
			case "text":
			case "select-multiple":
			case "select-one":
				for(i=obj.length-1;i!=-1;i--) {
					if (obj.options[i].text == mValue) {
						obj.options.selectedIndex = i;
						break;
					}	
				}
				break;
			}
}

function selectValue(sObject,mValue) {
	var obj = document.getElementById(sObject);
	if (obj==undefined) return false;
	switch(obj.type) {
			case "text":
			case "select-multiple":
			case "select-one":
				for(i=obj.length-1;i!=-1;i--) {
					if (obj.options[i].value == mValue) {
						obj.options.selectedIndex = i;
						break;
					}	
				}
				break;
			}
}

function setField(stName,stValue) {
	var obj = document.getElementById(stName);
	if (obj==undefined) {
		self.status = '"' + stName + '" existiert nicht.';
		return false;	
	} else {
		switch(obj.type) {
			case "textarea":
				stValue = stValue.replace("<br>","\n\r");
				stValue = stValue.replace("<br><br>","<br>");
				obj.innerHTML = stValue;
				break;
			case "select-one":
			case "select-multiple":
				for(i=obj.length-1;i!=-1;i--)
					obj.options[i] = null;			
				for (i=0;i<stValue.length-1;i++) {
					if (stValue[i].indexOf("\t")!=-1) {
						aData = stValue[i].split("\t");
						obj.options[i] = new Option(aData[1]);
						obj.options[i].value = aData[0];
					} else {
						obj.options[i] = new Option(stValue[i]);
						obj.options[i].value = stValue[i];
					}
				}
				break;
			case "checkbox":
				if (stValue.length==1)
					obj.checked = (stValue=="1");			
				else
					obj.checked = (stValue=="true");			
				break;
			default:
				obj.value = stValue;			
		} //switch
	}
}

function getValidValue(stID,bCanBeEmpty,stRegExp){
	var stValue="";
	var iC=0;
	if (bCanBeEmpty==undefined) bCanBeEmpty = true;
	obj = document.getElementById(stID);	
	if (obj==undefined) {
		obj = document.getElementById(stID+"."+iC);
		if (obj==undefined) {
			alert(stID + ' existiert nicht.');
			return false;
		} 
	}

	switch(obj.type) {
		case "radio":
			while (obj!=undefined) {
				if (obj.checked) {
					stValue = obj.value;
					break;
				} else {
					iC++;
					obj = document.getElementById(stID+"."+iC);
				}				
			}
			break;
		case "checkbox":
				stValue = (obj.checked ? "1" : '0');
			break;
		case "textarea":
				stValue = obj.value;
				stValue.replace(/(\n)|(\r)/g,'<br>');
				stValue.replace('<br><br>','<br>')
			break;
		case "select-multiple":
			for (i=0;i<obj.options.length;i++) {
				stValue+=obj.options[i].value + "\t\t\t";
			}
			break;
		default:
			stValue = obj.value;
	} //switch
		
	if (stValue=="" && bCanBeEmpty)
		return '';

	stValue = stValue.replace(/\t/g," ");
	stValue = stValue.replace(/\n/g," ");
	stValue = stValue.replace(/\r/g," ");

	return stValue;
}

function removeListEntry(sSender) {
	var oList = document.getElementById(sSender);
	if (oList==undefined) return false;

	for(i=oList.length-1;i!=-1;i--)
		if (oList.options[i].selected) {
			oList.options[i] = null;
		}
}


function addListEntry(sSender,sId,sText) {
	var oList = document.getElementById(sSender);
	if (oList==undefined) return false;

	var oOption = new Option(sText);
	oOption.value = sId;
	oList.options[oList.length] = oOption;
}

function getSelectLength(sSender) {
	var oList = document.getElementById(sSender);
	if (oList==undefined || oList.type!="select-multiple") return false;
	
	return oList.length;
}