为按钮添加图标代码,JS代码库,德仔网

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【JS】为按钮添加图标
作者:dezai / 发布于2014/4/8/ 384
<HTML>
<HEAD>
<TITLE>动态的按钮</TITLE>
<STYLE type=text/css>
.STYLE1 {
 font-family: "华文行楷";
 font-weight: bold;
 font-size: 13pt;
}
.STYLE3 {
 color: #9900CC;
 font-weight: bold;
}
.STYLE4 {
 color: #CC0000;
 font-weight: bold;
}
</STYLE>
<META http-equiv=Content-Type content="text/html; charset=gb2312">
</HEAD>
<BODY bgColor=#fef4d9>
<CENTER><FONT face=隶书 color=red size=6>动态的按钮</FONT></CENTER><BR>
<CENTER>
<TABLE borderColor=#CCFFFF border=5 borderlight="green">
 <TBODY>
 <TR>
  <TD align=middle>
   <SCRIPT>
document.onmouseover = doOver;
document.onmouseout = doOut;
document.onmousedown = doDown;
document.onmouseup  = doUp;
function doOver() {
 var toEl = getReal(window.event.toElement, "className", "coolButton");
 var fromEl = getReal(window.event.fromElement, "className", "coolButton");
 if (toEl == fromEl) return;
 var el = toEl;
 var cDisabled = el.cDisabled;
 cDisabled = (cDisabled != null); // If CDISABLED atribute is present
 if (el.className == "coolButton")
  el.onselectstart = new Function("return false");
 if ((el.className == "coolButton") && !cDisabled) {
  makeRaised(el);
  makeGray(el,false);
 }
}

function doOut() {
 var toEl = getReal(window.event.toElement, "className", "coolButton");
 var fromEl = getReal(window.event.fromElement, "className", "coolButton");
 if (toEl == fromEl) return;
 var el = fromEl;
 var cDisabled = el.cDisabled;
 cDisabled = (cDisabled != null); // If CDISABLED atribute is present
 var cToggle = el.cToggle;
 toggle_disabled = (cToggle != null); // If CTOGGLE atribute is present
 if (cToggle && el.value) {
  makePressed(el);
  makeGray(el,true);
 }
 else if ((el.className == "coolButton") && !cDisabled) {
  makeFlat(el);
  makeGray(el,true);
 }

}

function doDown() {
 el = getReal(window.event.srcElement, "className", "coolButton");
 
 var cDisabled = el.cDisabled;
 cDisabled = (cDisabled != null); // If CDISABLED atribute is present
 
 if ((el.className == "coolButton") && !cDisabled) {
  makePressed(el)
 }
}

function doUp() {
 el = getReal(window.event.srcElement, "className", "coolButton");
 var cDisabled = el.cDisabled;
 cDisabled = (cDisabled != null); // If CDISABLED atribute is present
 if ((el.className == "coolButton") && !cDisabled) {
 makeRaised(el);
 }
}


function getReal(el, type, value) {
 temp = el;
 while ((temp != null) && (temp.tagName != "BODY")) {
  if (eval("temp." + type) == value) {
   el = temp;
   return el;
  }
  temp = temp.parentElement;
 }
 return el;
}

function findChildren(el, type, value) {
 var children = el.children;
 var tmp = new Array();
 var j=0;
 
 for (var i=0; i<children.length; i++) {
  if (eval("children[i]." + type + "==\"" + value + "\"")) {
   tmp[tmp.length] = children[i];
  }
  tmp = tmp.concat(findChildren(children[i], type, value));
 }
 
 return tmp;
}

function disable(el) {

 if (document.readyState != "complete") {
  window.setTimeout("disable(" + el.id + ")", 100);
  return;
 }
 
 var cDisabled = el.cDisabled;
 cDisabled = (cDisabled != null);
 if (!cDisabled) {
  el.cDisabled = true;
  
  el.innerHTML = '<span style="background: buttonshadow; width: 100%; height: 100%; text-align: center;">' +
      '<span style="filter:Mask(Color=buttonface) DropShadow(Color=buttonhighlight, OffX=1, OffY=1, Positive=0); height: 100%; width: 100%%; text-align: center;">' +
      el.innerHTML +
      '</span>' +
      '</span>';

  if (el.onclick != null) {
   el.cDisabled_onclick = el.onclick;
   el.onclick = null;
  }
 }
}

function enable(el) {
 var cDisabled = el.cDisabled;
 
 cDisabled = (cDisabled != null); // If CDISABLED atribute is present
 
 if (cDisabled) {
  el.cDisabled = null;
  el.innerHTML = el.children[0].children[0].innerHTML;

  if (el.cDisabled_onclick != null) {
   el.onclick = el.cDisabled_onclick;
   el.cDisabled_onclick = null;
  }
 }
}

function addToggle(el) {
 var cDisabled = el.cDisabled;
 
 cDisabled = (cDisabled != null); // If CDISABLED atribute is present
 
 var cToggle = el.cToggle;
 
 cToggle = (cToggle != null); // If CTOGGLE atribute is present

 if (!cToggle && !cDisabled) {
  el.cToggle = true;
  
  if (el.value == null)
   el.value = 0;  // Start as not pressed down
  
  if (el.onclick != null)
   el.cToggle_onclick = el.onclick; // Backup the onclick
  else
   el.cToggle_onclick = "";

  el.onclick = new Function("toggle(" + el.id +"); " + el.id + ".cToggle_onclick();");
 }
}

function removeToggle(el) {
 var cDisabled = el.cDisabled;
 
 cDisabled = (cDisabled != null); // If CDISABLED atribute is present
 
 var cToggle = el.cToggle;
 
 cToggle = (cToggle != null); // If CTOGGLE atribute is present
 
 if (cToggle && !cDisabled) {
  el.cToggle = null;

  if (el.value) {
   toggle(el);
  }

  makeFlat(el);
  
  if (el.cToggle_onclick != null) {
   el.onclick = el.cToggle_onclick;
   el.cToggle_onclick = null;
  }
 }
}

function toggle(el) {
 el.value = !el.value;
 
 if (el.value)
  el.style.background = "URL(home.gif)";
 else
  el.style.backgroundImage = "";

// doOut(el); 
}


function makeFlat(el) {
 with (el.style) {
  background = "";
  border = "1px solid buttonface";
  padding   = "1px";
 }
}

function makeRaised(el) {
 with (el.style) {
  borderLeft  = "1px solid buttonhighlight";
  borderRight = "1px solid buttonshadow";
  borderTop  = "1px solid buttonhighlight";
  borderBottom = "1px solid buttonshadow";
  padding   = "1px";
 }
}

function makePressed(el) {
 with (el.style) {
  borderLeft  = "1px solid buttonshadow";
  borderRight = "1px solid buttonhighlight";
  borderTop  = "1px solid buttonshadow";
  borderBottom = "1px solid buttonhighlight";
  paddingTop  = "2px";
  paddingLeft  = "2px";
  paddingBottom = "0px";
  paddingRight = "0px";
 }
}

function makeGray(el,b) {
 var filtval;
 
 if (b)
  filtval = "gray()";
 else
  filtval = "";

 var imgs = findChildren(el, "tagName", "IMG");
  
 for (var i=0; i<imgs.length; i++) {
  imgs[i].style.filter = filtval;
 }

}
 

document.write("<style>");
document.write(".coolBar {background: buttonface;border-top: 1px solid buttonhighlight; border-left: 1px solid buttonhighlight; border-bottom: 1px solid buttonshadow; border-right: 1px solid buttonshadow; padding: 2px; font: menu;}");
document.write(".coolButton {border: 1px solid buttonface; padding: 1px; text-align: center; cursor: default;}");
document.write(".coolButton IMG{filter: gray();}");
document.write("</style>");
</SCRIPT>
   <TABLE class=coolBar>
    <TBODY>
    <TR>
     <TD class=coolButton><div align="center" class="STYLE3"><FONT
      onclick="window.location='http://www.baidu.com'" face=Verdana
      size=3>百度一下</FONT> </div></TD>
     <TD class=coolButton><div align="center" class="STYLE4"><FONT
      onclick="window.location='http://www.sina.com.cn'" face=Verdana
      size=2>新浪网</FONT> </div></TD></TR></TBODY></TABLE>
   <DIV class=coolBar style="WIDTH: 100px"><SPAN class=coolButton
   style="WIDTH: 100px"
   onclick="window.location='http://www.sohu.com'"><IMG
   src="/jscss/demoimg/201303/home.gif"> <span class="STYLE1">欢迎进入</span></SPAN></DIV></TD></TR></TBODY></TABLE>
</CENTER>
</BODY>
</HTML>
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