/**
*方法名：onClickSelect
*描述：点中text框的时候，选中其中的文字
*输入：空
*输出：空
**/
function onClickSelect(){
    var obj = document.activeElement;
    if(obj.tagName == "TEXTAREA")
        obj.select();
    if(obj.tagName == "INPUT" )
        if(obj.type == "text")
        obj.select();
}

/**
*方法名：IsEmpty
*描述：检测文本输入框是否为空
*输入：文字字符串　
*输出：是或否
**/
function IsEmpty(str)
{
	//alert(str.replace(/ /g,""));
    if(str.replace(/ /g,"")=="")
		return true;
	else
		return false;
}

/**
*方法名：onKeyDownDefault
*描述：用户在button以外的页面元素中按回车，转换为按tab键
*输入：空
*输出：空
**/
function onKeyDownDefault(){
    if (window.event.keyCode == 13 && window.event.ctrlKey == false && window.event.altKey == false){
        if (window.event.srcElement.type != "button")
            window.event.keyCode = 9;
    }
    else{
        return true;
    }
}


/**
*方法名：NumOnly()
*描述：只允许输入数字
*输入：空
*输出：空
**/
function NumOnly(keycode){
    var i= window.event.keyCode
    if (i>57 || i<48){
        window.event.keyCode=27;
    }
    if (i==keycode){
        window.event.keyCode=keycode;
    }
}


/**
*方法名：keypress
*描述：按键控制
*输入：[inputType：是否只能从键盘上录入阿拉伯数字,类型string]
*输出：空
*modif by Lsb
**/
function keypress(inputType){
    var i= window.event.keyCode;
    switch (inputType)
    {
    case "onDigit" :
        if (i<58 && i>47){window.event.keyCode=i;return;}
        break;
    case "onTime" :
        if (i<58 && i>46){window.event.keyCode=i;return;}
        break;
    default :
        var obj = window.event.srcElement;
        if (i<58 && i>47){window.event.keyCode=i;return;}
        if (obj.value.indexOf("-")==-1 && i==45){window.event.keyCode=45;return;}
        if (obj.value.indexOf(".")==-1 && i==46){window.event.keyCode=46;return;}
        break;
    }
    window.event.keyCode=27;
}

/**
*方法名：validDate
*描述：检验日期格式和日期是否合法
*输入：str（日期字符串）；separator（日期分隔符）
*输出：true（false）是否为合格日期
*writen by GaoHong , 2002-11-6 10:12
**/
function validDate(str , separator){
    if (separator == ""){
        return false ;
    }
    if (str.indexOf(separator) == -1){
        return false ;
    }
    if (str.indexOf(separator) == str.lastIndexOf(separator)){
        return false ;
    }
    var year ;
    var month ;
    var date ;
    year = str.substring(0 , str.indexOf(separator)) ;
    month = str.substring(str.indexOf(separator) + 1 ,str.lastIndexOf(separator)) ;
    date = str.substring(str.lastIndexOf(separator) + 1 , str.length) ;
    year = parseInt(year , 10) ;
    month = parseInt(month , 10) ;
    date = parseInt(date , 10) ;
    if (year >= 3000 || year <= 2000 || month > 12 || date > 31){
        return false ;
    }
    
    var date1 = new Date() ;
    //var date2 ;
    date1.setFullYear(year) ;
    date1.setMonth(month - 1) ;
    date1.setDate(date) ;

    var yearInt1 = date1.getFullYear() ;
    var monthInt1 = date1.getMonth() ;
    var dateInt1 = date1.getDate() ;
    if (year == yearInt1 && month == monthInt1 + 1 && date == dateInt1){
        return true ;
    }else {
        return false ;
    }
}

/**
*方法名：validDateObj
*描述：判断obj中的日期是否合格，不合格则清除obj中的日期
*输入：obj
*输出：无
*writen by GaoHong , 2002-11-6 10:12
**/
function validDateObj(obj){
    if (validDate(obj.value , '/') == false){
        obj.value = "" ;
        alert("日期不合法");
        window.event.returnValue = false ;
    }
}

/**
*方法名：do_confirm
*描述：如果确认，转向指定的URL
*输入：url,string
*输出：提示框
*writen by Cube316 , 2003-03-17 00:42
**/
function do_confirm(url,msg){
    if(window.confirm(msg)){
        window.location=url;
        return true;
    }
    else{
        return false;
    }
}


/**
只能输入数字
**/

function onlynum(){ 
    if (window.event.keyCode == 13 && window.event.ctrlKey == false && window.event.altKey == false){
        if (window.event.srcElement.type != "button")
            window.event.keyCode = 9;
    }
    if(!((event.keyCode>=48&&event.keyCode<=57)||(event.keyCode>=96&&event.keyCode<=105)||event.keyCode==8||event.keyCode==9||event.keyCode==46||event.keyCode==37||event.keyCode==39)) 
        event.returnValue=false; 
}

/**
只能输入电话号码或者“－”
**/

function TelOnly(){
    if (window.event.keyCode == 13 && window.event.ctrlKey == false && window.event.altKey == false){
        if (window.event.srcElement.type != "button")
            window.event.keyCode = 9;
    }
    if(!((event.keyCode>=48&&event.keyCode<=57)||(event.keyCode>=96&&event.keyCode<=105)||event.keyCode==8||event.keyCode==9||event.keyCode==46||event.keyCode==109||event.keyCode==189||event.keyCode==37||event.keyCode==39)) 
        event.returnValue=false; 
}

/**
只能输入身份证号码或者“X”
**/

function IDCardOnly(){
    if (window.event.keyCode == 13 && window.event.ctrlKey == false && window.event.altKey == false){
        if (window.event.srcElement.type != "button")
            window.event.keyCode = 9;
    }
    if(!((event.keyCode>=48&&event.keyCode<=57)||(event.keyCode>=96&&event.keyCode<=105)||event.keyCode==8||event.keyCode==9||event.keyCode==46||event.keyCode==88||event.keyCode==37||event.keyCode==39)) 
        event.returnValue=false; 
}

/**
只能输入小数（包括小数点）
**/

function PriceOnly(){
    if (window.event.keyCode == 13 && window.event.ctrlKey == false && window.event.altKey == false){
        if (window.event.srcElement.type != "button")
            window.event.keyCode = 9;
    }
    if(!((event.keyCode>=48&&event.keyCode<=57)||(event.keyCode>=96&&event.keyCode<=105)||event.keyCode==8||event.keyCode==9||event.keyCode==46||event.keyCode==190||event.keyCode==110||event.keyCode==37||event.keyCode==39)) 
        event.returnValue=false; 
}


/**
弹出窗口
自定义长宽
自动聚焦
**/

function js_openwin(url,w,h) {
  var newwin=window.open(url,"newwin","top=0,left=0,width="+w+",height="+h+",toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=no");
  newwin.focus();
 }

/**
 * Sets/unsets the pointer and marker in browse mode
 *
 * @param   object    the table row
 * @param   interger  the row number
 * @param   string    the action calling this script (over, out or click)
 * @param   string    the default background color
 * @param   string    the color to use for mouseover
 * @param   string    the color to use for marking a row
 *
 * @return  boolean  whether pointer is set or not
 */
function setPointer(theRow, theRowNum, theAction, theDefaultColor, thePointerColor, theMarkColor)
{
    var theCells = null;

    // 1. Pointer and mark feature are disabled or the browser can't get the
    //    row -> exits
    if ((thePointerColor == '' && theMarkColor == '')
        || typeof(theRow.style) == 'undefined') {
        return false;
    }

    // 2. Gets the current row and exits if the browser can't get it
    if (typeof(document.getElementsByTagName) != 'undefined') {
        theCells = theRow.getElementsByTagName('td');
    }
    else if (typeof(theRow.cells) != 'undefined') {
        theCells = theRow.cells;
    }
    else {
        return false;
    }

    // 3. Gets the current color...
    var rowCellsCnt  = theCells.length;
    var domDetect    = null;
    var currentColor = null;
    var newColor     = null;
    // 3.1 ... with DOM compatible browsers except Opera that does not return
    //         valid values with "getAttribute"
    if (typeof(window.opera) == 'undefined'
        && typeof(theCells[0].getAttribute) != 'undefined') {
        currentColor = theCells[0].getAttribute('bgcolor');
        domDetect    = true;
    }
    // 3.2 ... with other browsers
    else {
        currentColor = theCells[0].style.backgroundColor;
        domDetect    = false;
    } // end 3

    // 4. Defines the new color
    // 4.1 Current color is the default one
    if (currentColor == ''
        || currentColor.toLowerCase() == theDefaultColor.toLowerCase()) {
        if (theAction == 'over' && thePointerColor != '') {
            newColor              = thePointerColor;
        }
        else if (theAction == 'click' && theMarkColor != '') {
            newColor              = theMarkColor;
            marked_row[theRowNum] = true;
        }
    }
    // 4.1.2 Current color is the pointer one
    else if (currentColor.toLowerCase() == thePointerColor.toLowerCase()
             && (typeof(marked_row[theRowNum]) == 'undefined' || !marked_row[theRowNum])) {
        if (theAction == 'out') {
            newColor              = theDefaultColor;
        }
        else if (theAction == 'click' && theMarkColor != '') {
            newColor              = theMarkColor;
            marked_row[theRowNum] = true;
        }
    }
    // 4.1.3 Current color is the marker one
    else if (currentColor.toLowerCase() == theMarkColor.toLowerCase()) {
        if (theAction == 'click') {
            newColor              = (thePointerColor != '')
                                  ? thePointerColor
                                  : theDefaultColor;
            marked_row[theRowNum] = (typeof(marked_row[theRowNum]) == 'undefined' || !marked_row[theRowNum])
                                  ? true
                                  : null;
        }
    } // end 4

    // 5. Sets the new color...
    if (newColor) {
        var c = null;
        // 5.1 ... with DOM compatible browsers except Opera
        if (domDetect) {
            for (c = 0; c < rowCellsCnt; c++) {
                theCells[c].setAttribute('bgcolor', newColor, 0);
            } // end for
        }
        // 5.2 ... with other browsers
        else {
            for (c = 0; c < rowCellsCnt; c++) {
                theCells[c].style.backgroundColor = newColor;
            }
        }
    } // end 5

    return true;
} // end of the 'setPointer()' function


/**
多重选中和取消复选框
*/
function setCheckboxes(the_form, do_check)
{
    var elts      = (typeof(document.forms[the_form].elements['selected_db[]']) != 'undefined')
                  ? document.forms[the_form].elements['selected_db[]']
                  : document.forms[the_form].elements['selected_item[]'];
    var elts_cnt  = (typeof(elts.length) != 'undefined')
                  ? elts.length
                  : 0;

    if (elts_cnt) {
        for (var i = 0; i < elts_cnt; i++) {
            elts[i].checked = do_check;
        } // end for
    } else {
        elts.checked        = do_check;
    } // end if... else

    return true;
}