Просмотр файла themes/web_AgS/js/grade.js

/*** Create some global variables ***/
if(!window.JSFX)JSFX=new Object();

var LinkFadeInStep=15;
var LinkFadeOutStep=15;

var LinkEndColor="de0000"
var LinkStartColor="#FFFFFF";
var LinkFadeRunning=false;

/************************************************/
document.onmouseover = theOnOver;
document.onmouseout = theOnOut;
if(document.captureEvents)
document.captureEvents(Event.MOUSEOVER | Event.MOUSEOUT);

function hex2dec(hex){return(parseInt(hex,16));}
function dec2hex(dec){return (dec < 16 ? "0" : "") + dec.toString(16);}
function getColor(start, end, percent)
{

var r1=hex2dec(start.slice(0,2));
var g1=hex2dec(start.slice(2,4));
var b1=hex2dec(start.slice(4,6));

var r2=hex2dec(end.slice(0,2));
var g2=hex2dec(end.slice(2,4));
var b2=hex2dec(end.slice(4,6));

var pc=percent/100;

var r=Math.floor(r1+(pc*(r2-r1)) + .5);
var g=Math.floor(g1+(pc*(g2-g1)) + .5);
var b=Math.floor(b1+(pc*(b2-b1)) + .5);

return("#" + dec2hex(r) + dec2hex(g) + dec2hex(b));
}
/************************************************/
JSFX.getCurrentElementColor = function(el)
{
var result = LinkStartColor;

if (el.currentStyle)
result = (el.currentStyle.color);
else if (document.defaultView)
result = (document.defaultView.getComputedStyle(el,'').getPropertyValue('color'));
else if(el.style.color) //Opera
result = el.style.color;

if(result.charAt(0) == "#") //color is of type #rrggbb
result = result.slice(1, 8);
else if(result.charAt(0) == "r") //color is of type rgb(r, g, b)
{
var v1 = result.slice(result.indexOf("(")+1, result.indexOf(")") );
var v2 = v1.split(",");
result = (dec2hex(parseInt(v2[0])) + dec2hex(parseInt(v2[1])) + dec2hex(parseInt(v2[2])));
}

return result;
}
JSFX.findTagIE = function(el)
{
while (el && el.tagName != 'A')
el = el.parentElement;
return(el);
}
JSFX.findTagNS= function(el)
{
while (el && el.nodeName != 'A')
el = el.parentNode;
return(el);
}
function theOnOver(e)
{
var lnk;
if(window.event)
lnk=JSFX.findTagIE(event.srcElement);
else
lnk=JSFX.findTagNS(e.target);

if(lnk)
JSFX.linkFadeUp(lnk);
}
JSFX.linkFadeUp = function(lnk)
{
if(lnk.state == null)
{
lnk.state = "OFF";
lnk.index = 0;
lnk.startColor = JSFX.getCurrentElementColor(lnk);
lnk.endColor = LinkEndColor;
}

if(lnk.state == "OFF")
{
lnk.state = "FADE_UP";
JSFX.startLinkFader();
}
else if( lnk.state == "FADE_UP_DOWN"
|| lnk.state == "FADE_DOWN")
{
lnk.state = "FADE_UP";
}
}
function theOnOut(e)
{
var lnk;
if(window.event)
lnk=JSFX.findTagIE(event.srcElement);
else
lnk=JSFX.findTagNS(e.target);

if(lnk)
JSFX.linkFadeDown(lnk);
}
JSFX.linkFadeDown = function(lnk)
{
if(lnk.state=="ON")
{
lnk.state="FADE_DOWN";
JSFX.startLinkFader();
}
else if(lnk.state == "FADE_UP")
{
lnk.state="FADE_UP_DOWN";
}
}
JSFX.startLinkFader = function()
{
if(!LinkFadeRunning)
JSFX.LinkFadeAnimation();
}
/*******************************************************************
*
* Function : LinkFadeAnimation
*
* Description : This function is based on the Animate function
* of animate.js (animated rollovers).
* Each fade object has a state. This function
* modifies each object and changes its state.
*****************************************************************/
JSFX.LinkFadeAnimation = function()
{
LinkFadeRunning = false;
for(i=0 ; i<document.links.length ; i++)
{
var lnk = document.links[i];
if(lnk.state)
{
if(lnk.state == "FADE_UP")
{
lnk.index+=LinkFadeInStep;
if(lnk.index > 100)
lnk.index = 100;
lnk.style.color=getColor(lnk.startColor, lnk.endColor, lnk.index);

if(lnk.index == 100)
lnk.state="ON";
else
LinkFadeRunning = true;
}
else if(lnk.state == "FADE_UP_DOWN")
{
lnk.index+=LinkFadeOutStep;
if(lnk.index>100)
lnk.index = 100;
lnk.style.color=getColor(lnk.startColor, lnk.endColor, lnk.index);

if(lnk.index == 100)
lnk.state="FADE_DOWN";
LinkFadeRunning = true;
}
else if(lnk.state == "FADE_DOWN")
{
lnk.index-=LinkFadeOutStep;
if(lnk.index<0)
lnk.index = 0;
lnk.style.color=getColor(lnk.startColor, lnk.endColor, lnk.index);

if(lnk.index == 0)
lnk.state="OFF";
else
LinkFadeRunning = true;
}
}
}
/*** Check to see if we need to animate any more frames. ***/
if(LinkFadeRunning)
setTimeout("JSFX.LinkFadeAnimation()", 40);
}