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| var site_url = '';
var nav = [ '#index', '#artwork', '#photos', '#curiculum', '#contact' ];
$(document).ready(function(){
setBkgPos();
for ( i = 0; i < nav.length; i++ ) {
$(nav[i]).bind( 'mouseover', mMouseOver );
$(nav[i]).bind( 'mouseout', mMouseOut );
$(nav[i]).bind( 'click', mClick );
}
for ( i = 0; i < nav.length; i++ ) {
// element with ‘active’ class will start animation
if ( $(nav[i]).get(0).className.indexOf('active') >= 0 ){
$(nav[i])
.animate({ backgroundPosition:'(' + _getHPos( nav[i] ) +'px -30px}'},"fast",
function(){
$(this)
.children()
.animate({backgroundPosition:'(0px -40px)'},20)
.animate({backgroundPosition:'(0px -20px)'},"fast");
$(this)
.animate({backgroundPosition:'(' + _getHPos( nav[i] ) +'px 50px)'},"fast")
.animate({backgroundPosition:'(' + _getHPos( nav[i] ) +'px 25px)'},"fast");
var parent = this;
$(this)
.children()
.animate( {backgroundPosition:'(0px -45px)'},"fast",function(){
$(parent).animate({backgroundPosition:'(' + _getHPos( parent.id ) +'px 25px)'},"fast");
$(parent).css({backgroundImage: 'url(img/nav.png)'});
});
});
break;
}
}
});
function _getHPos( id )
{
for ( i = 0; i < nav.length; i++ ){
if ( '#' + id == nav[i] ){
return i*(-98);
}
}
return 0;
}
function setBkgPos()
{
for ( i = 0; i < nav.length; i++ ){
$(nav[i]).css({backgroundPosition: i*(-98) + 'px -25px'});
$(nav[i] + ' div').css({ backgroundPosition: '0px -60px'});
}
}
function mMouseOver(e)
{
// element with ‘active’ class will ignore this event and do nothing
if ( this.className.indexOf('active') >= 0 ){
return;
}
$(this)
// stop any animation that took place before this
.stop()
// step 1. change the image file
.css({backgroundImage: 'url(img/nav-over.png)',cursor: 'pointer'})
// step.2 move up the navigation item a bit
.animate({ backgroundPosition:'(' + _getHPos( this.id ) +'px -30px}'},"fast",
// this section will be executed after the step.2 is done
function(){
$(this)
.children()
// step. 3 move the white box down
.animate({backgroundPosition:'(0px -40px)'},20)
// step 4. move the white box down
.animate({backgroundPosition:'(0px -20px)'},"fast");
$(this)
// step 4. move the navigation item down
.animate({backgroundPosition:'(' + _getHPos( this.id ) +'px 50px)'},"fast")
// step 5. move the navigation item to its final position
.animate({backgroundPosition:'(' + _getHPos( this.id ) +'px 25px)'},"fast");
// store the parent element id for later usage
var parent = this;
$(this)
.children()
// step 5. move the white box to its final position
.animate( {backgroundPosition:'(0px -45px)'},"fast",
// this section will be executed after the step.5 is done
function(){
// step.6 change the image to its original image
$(parent).css({backgroundImage: 'url(img/nav.png)'});
});
});
}
function mMouseOut(e)
{
// element with ‘active’ class will ignore this event and do nothing
if ( this.className.indexOf('active') >= 0 ){
return;
}
$(this)
// stop any animation that took place before this
.stop()
// step.1 move down navigation item
.animate({backgroundPosition:'(' + _getHPos( this.id ) +'px 40px )'}, "fast",
// this section will be executed after the step.1 is done
function(){
// step.2 white box move really fast
$(this).children().animate({backgroundPosition:'(0px 70px)'}, "fast");
// step 3. move navigation item up
$(this).animate( {backgroundPosition:'(' + _getHPos( this.id ) +'px -40px)'}, "fast",
// this section will be executed after the step.3 is done
function(){
// step 4. move navigation item ot its original position
$(this).animate( {backgroundPosition:'(' + _getHPos( this.id ) +'px -25px)'}, "fast",
// this section will be executed after the step.4 is done
function(){
// move white box to its original position, ready for next animation
$(this).children().css({ backgroundPosition:'0px -60px'});
})
})
})
.css({backgroundImage: 'url(img/nav.png)', cursor: ''});
}
function mClick(e)
{
location.href = this.id;
} |
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