String.prototype.trim = function() 
{ 
        return this.replace(/(^\s*)|(\s*$)/g, ""); 
}  
function $(target){
    return document.getElementById(target);
}

//当小时dropDownList 为２４小时  设置分钟dropDownList为0
function setDropdownList(ddlHour_id, ddlMinute_id)
{
    var ddlHour = $(ddlHour_id);
    var ddlMinute = $(ddlMinute_id);
    if (ddlHour.selectedIndex == 24)
    {
        ddlMinute.selectedIndex = 0;
        ddlMinute.disabled = true;
        //alert(ddlHour.id);
    }
    else
    {
        ddlMinute.disabled = false;
    }
}

function newWindow(url)
{
    window.open(url,'_blank','height=700 width=750 scrollbars=1 titlebar=0 menubar=0 location=0 toolbar =0'); 
}

//找到小时dropDownList
function TimeControl()
{
    //alert(TimeControl);
    var e = event.srcElement;
    var id  = event.srcElement.id;
    var i = id.substr(26);
    var constStr = 'ctl00_cphPage_DropDownList';
    var ddlMinute_id = '';
    var ddlHour_id = '';
    
    ddlHour_id =  constStr + i;
    ddlMinute_id = constStr + (Number(i) +7);
    setDropdownList(ddlHour_id,ddlMinute_id);
 
}

//找到分钟dropDownList
function setZero()
{
    var e = event.srcElement;
    var id  = event.srcElement.id;
    var i = id.substr(26);
    var constStr = 'ctl00_cphPage_DropDownList';
    var ddlMinute_id = '';
    var ddlHour_id = '';
    
    ddlMinute_id =  constStr + i;
    ddlHour_id = constStr + (Number(i) -7);
    setDropdownList(ddlHour_id,ddlMinute_id); 
}


//window．onload 加载时调用此函数
function ddlSelectIndexChange()
{
    //alert(1);
    var constStr = 'ctl00_cphPage_DropDownList';
    var ddlHour_id = '';
    var ddlMinute_id = '';
    var ddlHour;
    var ddlMinute;
    for (var i = 1; i < 8; i++)
    {   //alert(2);
        ddlHour_id = constStr + i;
        ddlMinute_id = constStr + (Number(i) +7);
        ddlHour = $(ddlHour_id);
        ddlMinute = $(ddlMinute_id);
        ddlHour.onclick = TimeControl;
        ddlMinute.onclick = setZero;
    }//alert(3);
}
String.prototype.trim = function() 
{ 
        return this.replace(/(^\s*)|(\s*$)/g, ""); 
}  
function $(target){
    return document.getElementById(target);
}