//去除前后空格
function trimString(value) {
return value.replace(/(^\s*)/g, "").replace(/(\s*$)/g, "");
}
//返回数组中指定的元素位置索引，如果不包含返回-1
Array.prototype.indexOf = function (item) {
for (var i = 0; i < this.length; i++) {
if (item == this[i]) {
return i;
}
}
return -1;
};
function StringBuffer() {
this._strings_ = new Array;
}
StringBuffer.prototype.append = function (str) {
this._strings_.push(str);
};
StringBuffer.prototype.toString = function () {
return this._strings_.join("");
};
//替换&%#+号
function myReplaceChar(value) {
var reg1 = /(\~)/g;
var reg2 = /(\`)/g;
var reg3 = /(\!)/g;
var reg4 = /(\@)/g;
var reg5 = /(\#)/g;
var reg6 = /(\%)/g;
var reg7 = /(\^)/g;
var reg8 = /(\&)/g;
var reg9 = /(\*)/g;
var reg10 = /(\()/g;
var reg11 = /(\))/g;
var reg12 = /(\_)/g;
var reg13 = /(\+)/g;
var reg14 = /(\|)/g;
var reg15 = /(\-)/g;
var reg16 = /(\=)/g;
var reg17 = /(\\)/g;
var reg18 = /(\[)/g;
var reg19 = /(\])/g;
var reg20 = /(\{)/g;
var reg21 = /(\})/g;
var reg22 = /(\")/g;
var reg23 = /(\')/g;
var reg24 = /(\:)/g;
var reg25 = /(\;)/g;
var reg26 = /(\/)/g;
var reg27 = /(\?)/g;
var reg28 = /(\.)/g;
var reg29 = /(\>)/g;
var reg30 = /(\<)/g;
var reg31 = /(\,)/g;
var replaceValue = value.replace(reg1,"～");
replaceValue = replaceValue.replace(reg2,"｀");
replaceValue = replaceValue.replace(reg3,"！");
replaceValue = replaceValue.replace(reg4,"＠");
replaceValue = replaceValue.replace(reg5,"＃");
replaceValue = replaceValue.replace(reg6,"％");
replaceValue = replaceValue.replace(reg7,"＾");
replaceValue = replaceValue.replace(reg8,"＆");
replaceValue = replaceValue.replace(reg9,"＊");
replaceValue = replaceValue.replace(reg10,"（");
replaceValue = replaceValue.replace(reg11,"）");
replaceValue = replaceValue.replace(reg12,"＿");
replaceValue = replaceValue.replace(reg13,"＋");
replaceValue = replaceValue.replace(reg14,"｜");
replaceValue = replaceValue.replace(reg15,"－");
replaceValue = replaceValue.replace(reg16,"＝");
replaceValue = replaceValue.replace(reg17,"＼");
replaceValue = replaceValue.replace(reg18,"［");
replaceValue = replaceValue.replace(reg19,"］");
replaceValue = replaceValue.replace(reg20,"｛");
replaceValue = replaceValue.replace(reg21,"｝");
replaceValue = replaceValue.replace(reg22,"“");
replaceValue = replaceValue.replace(reg23,"‘");
replaceValue = replaceValue.replace(reg24,"：");
replaceValue = replaceValue.replace(reg25,"；");
replaceValue = replaceValue.replace(reg26,"／");
replaceValue = replaceValue.replace(reg27,"？");
replaceValue = replaceValue.replace(reg28,"．");
replaceValue = replaceValue.replace(reg29,"＞");
replaceValue = replaceValue.replace(reg30,"＜");
replaceValue = replaceValue.replace(reg31,"，");
return replaceValue;
}
//计算参数文本域中的值,并显示出来
function textCounter(textArea, theCharCounter, maxChars) {
var theField = document.getElementById(textArea);
// alert("1");
var strTemp = "";
var strCharCounter = 0;
for (var i = 0; i < theField.value.length; i++) {
var strChar = theField.value.substring(i, i + 1);
if (strChar == "n") {
strTemp += strChar;
strCharCounter = 1;
} else {
strTemp += strChar;
strCharCounter++;
}
}
// alert("2");
var remnant = maxChars - strTemp.length;
if(remnant > 0){
document.getElementById(theCharCounter).innerHTML = ""+remnant+"";
}else{
document.getElementById(theCharCounter).innerHTML = ""+remnant+"";
}
// alert("3");
}
//清空指定的TBODY列表
function cleanList(div) {
var nodes = document.getElementById(div).childNodes.length;
//判断是否有求购信息
if (nodes > 0) {
var obj;
while (nodes > 0) {
obj = document.getElementById(div).childNodes.item(0);
obj.parentNode.removeChild(obj);
nodes = document.getElementById(div).childNodes.length;
}
}
}
//打开新窗口浏览图片
function newWindow(src) {
var newwin = window.open("about:blank", "", "top=100,left=100");
newwin.document.write("
");
}
function resetImgSize(obj,maxWidth,maxHeight,imgWidth,imgHeight){
var width = maxWidth;
var height = maxHeight;
// alert(imgwidth);
// alert(imgheight);
if(imgWidth > imgHeight){
if(imgHeight/imgWidth > 0.75){
width = imgWidth * maxHeight / imgHeight;
}else{
height = imgHeight * maxWidth / imgWidth;
}
}else if(imgWidth < imgHeight){
width = imgWidth * maxHeight/ imgHeight;
}else{
height = maxHeight;
width = maxHeight;
}
// alert(imgWidth +" : "+ imgHeight + " -- " + width +" : "+ height);
obj.height = height;
obj.width = width;
// alert(obj.height);
// alert(obj.width);
obj.parentNode.style.paddingTop = (maxHeight - height) / 2;
}
//不可后退
//window.history.forward(1);