/*
* 中商网标准JS
* 2009/01/07
*/
//搜索条
function SearchTextSetUp(flag, SearchTextSet, txtId) {
if (document.getElementById(txtId)) {
var obj = document.getElementById(txtId);
if (flag && obj.value.length == 0) {
obj.value = SearchTextSet;
obj.style.color = "gray";
}
else if (!flag && obj.value == SearchTextSet) {
obj.value = "";
obj.style.color = "black";
}
}
}
//横向滚动(无按键)
function newScrollHorz(divId, firstTdId, secondTdId, scrollSpeed, colWidth, totalLength, scrollType, stopInteval) {
var stopscroll = false;
var div = document.getElementById(divId);
if (div) {
div.onmouseover = function() {
stopscroll = true;
}
div.onmouseout = function() {
stopscroll = false;
}
var first = document.getElementById(firstTdId);
if (first) {
var second = document.getElementById(secondTdId);
if (second) {
second.innerHTML = first.innerHTML
var reset = true;
var preLeft = 0;
var total = 0;
var currentLeft = 0;
var stoptime = 0;
//调用
init_srolltext();
function init_srolltext() {
div.scrollLeft = 0;
setInterval(scrollLeft, scrollSpeed);
}
//滚动函数定义
function scrollLeft() {
if (stopscroll) return;
currentLeft += scrollType;
if (scrollType == 1 && currentLeft > colWidth) {
stoptime += 1;
currentLeft -= 1;
if (stoptime > stopInteval) {
currentLeft = 0;
stoptime = 0;
}
if (reset && (div.scrollLeft % colWidth > 0)) {
div.scrollLeft = 0;
reset = false;
}
} else {
preLeft = div.scrollLeft;
div.scrollLeft += 1;
total += scrollType;
if (preLeft == div.scrollLeft) {
div.scrollLeft = 0;
div.scrollLeft += 1;
}
}
if (total >= totalLength) {
div.scrollLeft = 0;
total = 0;
}
}
}
}
}
}
//横向滚动(无按键、从左向右)
function newScrollHorzRight(divId, firstTdId, secondTdId, scrollSpeed, colWidth, totalLength, scrollType, stopInteval) {
var stopscroll = false;
var div = document.getElementById(divId);
if (div) {
div.onmouseover = function() {
stopscroll = true;
}
div.onmouseout = function() {
stopscroll = false;
}
var first = document.getElementById(firstTdId);
if (first) {
var second = document.getElementById(secondTdId);
if (second) {
second.innerHTML = first.innerHTML
var reset = true;
var preLeft = 0;
var total = 0;
var currentLeft = 0;
var stoptime = 0;
var divWidth = totalLength;
//调用
init_srolltext();
function init_srolltext() {
div.scrollLeft = divWidth;
setInterval(scrollRight, scrollSpeed);
}
//滚动函数定义
function scrollRight() {
if (stopscroll) return;
currentLeft += scrollType;
if (scrollType == 1 && currentLeft > colWidth) {
stoptime += 1;
currentLeft -= 1;
if (stoptime > stopInteval) {
currentLeft = 0;
stoptime = 0;
}
if (reset && ((divWidth-div.scrollLeft) % colWidth > 0)) {
div.scrollLeft = divWidth;
reset = false;
}
} else {
preLeft = div.scrollLeft;
div.scrollLeft -= 1;
total += scrollType;
if (preLeft == div.scrollLeft) {
div.scrollLeft = divWidth;
div.scrollLeft -= 1;
}
}
if (total >= totalLength) {
div.scrollLeft = divWidth;
total = 0;
}
}
}
}
}
}
//纵向滚动(无按键)
function newScrollVert(outerDivId, innerDivId, rowHeight, totalLength, scrollSpeed, scrollType, stopInteval) {
//初始化
var stopscroll = false;
var reset = true;
var scrollElem = document.getElementById(outerDivId);
if (scrollElem) {
scrollElem.style.overflow = "hidden";
var marqueesHeight = scrollElem.style.height;
var preTop = 0;
var total = 0;
var currentTop = 0;
var stoptime = 0;
var leftElem = document.getElementById(innerDivId);
if (leftElem) {
scrollElem.appendChild(leftElem.cloneNode(true));
scrollElem.onmouseover = function() {
stopscroll = true;
}
scrollElem.onmouseout = function() {
stopscroll = false;
}
//调用
init_srolltext();
//滚动函数定义
function scrollUp() {
if (stopscroll) return;
currentTop += scrollType;
if (scrollType == 1 && currentTop > rowHeight) {
stoptime += 1;
currentTop -= 1;
if (stoptime > stopInteval) {
currentTop = 0;
stoptime = 0;
}
if (reset && (scrollElem.scrollTop % rowHeight > 0)) {
scrollElem.scrollTop = 0;
reset = false;
}
} else {
preTop = scrollElem.scrollTop;
scrollElem.scrollTop += 1;
total += scrollType;
if (preTop == scrollElem.scrollTop) {
scrollElem.scrollTop = 0;
scrollElem.scrollTop += 1;
}
}
if (total >= totalLength) {
scrollElem.scrollTop = 0;
total = 0;
}
}
function init_srolltext() {
scrollElem.scrollTop = 0;
setInterval(scrollUp, scrollSpeed);
}
}
}
}
//图片纵向滚动
function scrollVert(timeout, speed, interval, height, max, de, marque1, marque2, btn1, btn2) {
marque2.innerHTML = marque1.innerHTML;
var tmpHeight, ware_height;
var MyMar1, MyMar2;
function Marquee_ctrl() {
tmpHeight = de.scrollTop;
ware_height = height;
MyMar1 = setInterval(Marquee, interval);
}
var flag = true;
function Marquee() {
flag = false;
if (Math.abs(de.scrollTop - tmpHeight) >= ware_height) {
clearInterval(MyMar1);
flag = true;
return;
}
if (de.scrollTop >= marque1.scrollHeight) {
ware_height = ware_height - de.scrollTop + tmpHeight;
de.scrollTop = 0;
tmpHeight = 0;
} else {
de.scrollTop = de.scrollTop + height * interval / speed;
}
}
var MyMar = setInterval(Marquee_ctrl, timeout)
de.onmouseover = function() { clearInterval(MyMar) }
de.onmouseout = function() { MyMar = setInterval(Marquee_ctrl, timeout) }
function Marquee1() {
flag = false
if (Math.abs(de.scrollTop - tmpHeight) >= max) {
clearInterval(MyMar2);
flag = true
return;
}
if (de.scrollTop >= marque1.scrollHeight) {
de.scrollTop = 0;
} else {
de.scrollTop = de.scrollTop + max;
}
}
function Marquee2() {
flag = false;
if (Math.abs(de.scrollTop - tmpHeight) >= max) {
clearInterval(MyMar2);
flag = true;
return;
}
if (de.scrollTop <= 0) {
de.scrollTop = marque1.scrollHeight;
} else {
de.scrollTop = de.scrollTop - max;
}
}
btn1.onclick = function() {
if (flag) {
clearInterval(MyMar);
tmpHeight = de.scrollTop;
MyMar2 = setInterval(Marquee1, interval)
MyMar = setInterval(Marquee_ctrl, timeout);
}
}
btn2.onclick = function() {
if (flag) {
clearInterval(MyMar);
tmpHeight = de.scrollTop;
MyMar2 = setInterval(Marquee2, interval)
MyMar = setInterval(Marquee_ctrl, timeout);
}
}
}
//图片横向滚动
function scrollHorz(timeout, speed, interval, width, max, de, marque1, marque2, btn1, btn2) {
marque2.innerHTML = marque1.innerHTML;
var tmpWidth, ware_width;
var MyMar1, MyMar2;
function Marquee_ctrl() {
tmpWidth = de.scrollLeft;
ware_width = width;
MyMar1 = setInterval(Marquee, interval);
}
function Marquee() {
if (Math.abs(de.scrollLeft - tmpWidth) >= ware_width) {
clearInterval(MyMar1);
return;
}
if (de.scrollLeft >= marque1.scrollWidth) {
ware_width = ware_width - de.scrollLeft + tmpWidth;
de.scrollLeft = 0;
tmpWidth = 0;
} else {
de.scrollLeft = de.scrollLeft + width * interval / speed;
}
}
var MyMar = setInterval(Marquee_ctrl, timeout)
de.onmouseover = function() { clearInterval(MyMar) }
de.onmouseout = function() { MyMar = setInterval(Marquee_ctrl, timeout) }
var width3;
var move = 0;
var scroll_button_on_off = true;
function Marquee1() {
if (Math.abs(de.scrollLeft - tmpWidth) >= width3) {
clearInterval(MyMar2);
scroll_button_on_off = true;
return;
}
if (de.scrollLeft >= marque1.scrollWidth) {
de.scrollLeft = 0;
} else {
de.scrollLeft = de.scrollLeft + max;
}
}
function Marquee2() {
if (Math.abs(de.scrollLeft - tmpWidth) >= width3) {
clearInterval(MyMar2);
scroll_button_on_off = true;
return;
}
if (de.scrollLeft <= 0) {
de.scrollLeft = marque1.scrollWidth;
} else {
de.scrollLeft = de.scrollLeft - max;
}
}
btn1.onclick = function() {
if (scroll_button_on_off) {
scroll_button_on_off = false;
clearInterval(MyMar);
tmpWidth = de.scrollLeft;
width3 = max;
MyMar2 = setInterval(Marquee1, interval)
MyMar = setInterval(Marquee_ctrl, timeout);
}
}
btn2.onclick = function() {
if (scroll_button_on_off) {
scroll_button_on_off = false;
clearInterval(MyMar);
tmpWidth = de.scrollLeft;
width3 = max;
MyMar2 = setInterval(Marquee2, interval)
MyMar = setInterval(Marquee_ctrl, timeout);
}
}
}
//多图flash1
function getShowImageFlash1(config, focus_width, swf_height, files, links, texts) {
links = escape(links);
document.write('');
}
//多图flash2
function getShowImageFlash2(focus_width, swf_height, pics, links, texts, focus_height, text_height) {
links = escape(links);
focus_width = parseInt(focus_width);
swf_height = parseInt(swf_height);
focus_height = parseInt(focus_height);
document.write('');
}
//多图flash3
function getShowImageFlash3(focus_width, swf_height, pics, links, texts, focus_height, text_height) {
links = escape(links);
focus_width = parseInt(focus_width);
swf_height = parseInt(swf_height);
focus_height = parseInt(focus_height);
document.write('');
}
//撑开宽度
function ResetWidth() {
if (!frameElement)
return;
if (frameElement.scrolling == "no") {
if (document.body.offsetWidth < document.body.scrollWidth)
frameElement.style.pixelWidth = document.body.scrollWidth;
}
}
//撑开高度
function ResetHeight() {
try {
if (!frameElement)
return;
if (frameElement.scrolling == "no") {
if (document.body.offsetHeight < document.body.scrollHeight)
frameElement.style.height = document.body.scrollHeight;
}
} catch (e) { }
}
//不断撑开高度
function AutoResetHeight() {
setInterval(ResetHeight, 100);
}
//跟随置顶
function ShowReturnTop(contentWidth, contentHeight, pageRetruenTop) {
//定位功能代码
var myReturnTop = window.onresize = window.onscroll = function() { //注册窗体滚动及尺寸变化事件
var scrollX = document.body.scrollLeft; //横向滚动宽度
var scrollY = document.body.scrollTop; //纵向滚动高度
var windowWidth = document.body.clientWidth; //窗口宽度
var windowHeight = document.body.clientHeight; //窗口高度
if (windowWidth <= contentWidth) return; //当宽度小于此相素时不做改变
var x = Math.ceil(windowWidth / 2) - 1 + contentWidth / 2; //定位div的横坐标
var y = contentHeight + scrollY; //定位div的纵坐标
pageRetruenTop.style.display = 'block';
pageRetruenTop.style.left = x + 'px';
pageRetruenTop.style.top = y + 'px';
};
myReturnTop();
//注册div点击事件
pageRetruenTop.onclick = function() {
document.body.scrollTop = '0px';
};
}
//图片等比例缩放
function DrawImage(ImgD, FitWidth, FitHeight) {
var image = new Image();
image.src = ImgD.src;
if (image.width > 0 && image.height > 0) {
if (image.width / image.height >= FitWidth / FitHeight) {
if (image.width > FitWidth) {
ImgD.width = FitWidth;
ImgD.height = (image.height * FitWidth) / image.width;
}
else {
ImgD.width = image.width;
ImgD.height = image.height;
}
}
else {
if (image.height > FitHeight) {
ImgD.height = FitHeight;
ImgD.width = (image.width * FitHeight) / image.height;
}
else {
ImgD.width = image.width;
ImgD.height = image.height;
}
}
}
}