function placeHolderSupport(){
var s = document.createElement('input'),
isSupport = 'placeholder' in s;
if ( !isSupport ) {
jQuery(':text').each(function(){
if (typeof jQuery(this).attr('placeholder') != 'undefined') {
var $this = jQuery(this),
p = $this.parent(),
spt = $this.css('padding-top'),
spl = $this.css('padding-left'),
spfs = $this.css('font-size'),
placeTxt = $this.attr('placeholder');
if (p.find('.placeholder').length != 0) {
return true;
}
if (p.css('position') == 'static') {
p.css('position', 'relative');
}
p.append('<span class="placeholder" style="position:absolute;left:'+ spl +';top:'+ spt +';font-size:'+ spfs +';">'+ placeTxt +'</span>');
if ($this.val() != '') {
$this.parent().find('.placeholder').hide();
}
$this.on({
'focus': function(){
$this.parent().find('.placeholder').hide();
},
'blur': function(){
if ($this.val() == '') {
$this.parent().find('.placeholder').show();
} else {
$this.parent().find('.placeholder').hide();
}
}
});
$this.parent().find('.placeholder').on('click', function(){
jQuery(this).hide();
$this.focus();
});
}
});
}
}
