function AddOption(oSelect, Text, Name)
{
	var oOption;
	oOption = document.createElement("OPTION");
	oSelect.options.add(oOption);
	oOption.text = Text;
	oOption.value = Name;
}
function ReloadOperator(){
    var fieldType;
    var fieldName;
    fieldName=document.all.field.options[document.all.field.selectedIndex].name;
    fieldType=fieldName.substring(0,fieldName.indexOf("_"));
    var operator=document.all.operator;
    while (operator.options.length>0)operator.options.remove(0);
    switch(fieldType){
        case 'n':
                AddOption(operator,"大于","大于");
                AddOption(operator,"小于","小于");
                AddOption(operator,"等于","等于");
                AddOption(operator,"不等于","不等于");
                break;
        case 's':
                AddOption(operator,"包含","包含");
                AddOption(operator,"不包含","不包含");
                AddOption(operator,"等于","等于");
                AddOption(operator,"不等于","不等于");
                break;
        case 'd':
                AddOption(operator,"早于","早于");
                AddOption(operator,"迟于","迟于");
                AddOption(operator,"等于","等于");
                AddOption(operator,"不等于","不等于");
                break;
        default:
               alert("字段类型不正确!");
        
    }
}
function getFilter(){
    var filter=document.all.filter;
    var filterText="";
    if(filter.value==""){
        filterText="";
        return filterText;
    }
    var fieldType;
    var fieldName;
    var field=document.all.field;
    fieldName=field.options[field.selectedIndex].name;
    fieldVal=fieldName.substr(fieldName.indexOf("_")+1)
    fieldType=fieldName.substring(0,fieldName.indexOf("_"));
    var operator=document.all.operator;
    currentOperator=operator.options[operator.selectedIndex].value
    //alert(currentOperator);
    switch(fieldType){
        case "n":
                switch(currentOperator){
                    case "大于":filterText=fieldVal+" > "+filter.value;break;
                    case "小于":filterText=fieldVal+" < "+filter.value;break;
                    case "等于":filterText=fieldVal+" = "+filter.value;break;
                    case "不等于":filterText=fieldVal+" <> "+filter.value;break;
                    default:filterText="";
                }
                break;
        case "s":
                switch(currentOperator){
                    case "包含":filterText=fieldVal+" LIKE '%"+filter.value+"%'";break;
                    case "不包含":filterText=fieldVal+" NOT LIKE '%"+filter.value+"%'";break;
                    case "等于":filterText=fieldVal+" = '"+filter.value+"'";break;
                    case "不等于":filterText=fieldVal+" <> '"+filter.value+"'";break;
                    default:filterText="";
                }
                break;
        case "d":
                switch(currentOperator){
                    case "迟于":filterText=fieldVal+" > '"+filter.value+"'";break;
                    case "早于":filterText=fieldVal+" < '"+filter.value+"'";break;
                    case "等于":filterText=fieldVal+" = '"+filter.value+"'";break;
                    case "不等于":filterText=fieldVal+" <> '"+filter.value+"'";break;
                    default:filterText="";
                }
                break;
        default:filterText="";
        
    }
    return filterText;
    
}
function genFilter(){
    document.all.finalFilter.value=getFilter();
}
function genFinalFilter(formname){
    if(document.all.finalFilter.value!="")
	{
        if(getFilter()!="")document.all.finalFilter.value+=" AND "+getFilter();
	}
    else
	{
    	if(getFilter()!="")document.all.finalFilter.value+=getFilter();
	}
}
function checkAll(){
    idAll=document.getElementsByName("delIds");
    for(i=0;i<idAll.length;i++){
        idAll.item(i).checked=document.all.chk.checked;
    }
}
function countClk(){
    var totalCount=0;
    idAll=document.getElementsByName("delIds");
    for(i=0;i<idAll.length;i++){
        if(idAll.item(i).checked) totalCount++;
    }
    return totalCount;
}
function chkField(){
	fieldName=document.all.field.options[document.all.field.selectedIndex].name;
	fieldType=fieldName.substring(0,fieldName.indexOf("_"));
	switch(fieldType){
        case "n":
             if(document.all.filter.value!=""){
             	if(!isNumber(document.all.filter.value)){
             		alert("请填写数字!");
             		return false;
             	}
             }
             break;
        //case "s":break;
        case "d":
             if(document.all.filter.value!=""){
             	if(!vertifyDate(document.all.filter.value)){
             		alert("请填写正确的日期格式!\n正确的格式如:2000-1-1");
             		return false;
             	}
             }
             break;
        }
        return true;
}

function checkKey()
{
	if (window.event.keyCode==13)  // 如果是回车
	   {
	   genFinalFilter();  //调用东东
	   }
}

function InString(str){
   var str1 = "'"
   var s = str.indexOf(str1);
   return(s);
}

function chkField(){
	fieldName=document.all.field.options[document.all.field.selectedIndex].name;
	fieldType=fieldName.substring(0,fieldName.indexOf("_"));
	switch(fieldType){
        case "s":
             if(document.all.filter.value.indexOf("'")!=-1){
                        alert("不能包含单引号(')");
                        return false;
             }
             break;
        case "n":
             if(document.all.filter.value!=""){
             	if(!isNumber(document.all.filter.value)){
             		alert("请填写数字!");
             		return false;
             	}
             }
             break;
        //case "s":break;
        case "d":
             if(document.all.filter.value!=""){
             	if(!vertifyDate(document.all.filter.value)){
             		alert("请填写正确的日期格式!\n正确的格式如:2000-1-1");
             		return false;
             	}
             }
             break;
        }
        return true;
}