// +----------------------------------------------------------------+
// | Array functions that are missing in IE 5.0                     |
// | Author: Cezary Tomczak [www.gosu.pl]                           |
// | Free for any use as long as all copyright messages are intact. |
// +----------------------------------------------------------------+
if(!Array.prototype.pop){Array.prototype.pop=function(){var last;if(this.length){last=this[this.length-1];this.length-=1;}
return last;};}
if(!Array.prototype.push){Array.prototype.push=function(){for(var i=0;i<arguments.length;++i){this[this.length]=arguments[i];}
return this.length;};}
if(!Array.prototype.shift){Array.prototype.shift=function(){var first;if(this.length){first=this[0];for(var i=0;i<this.length-1;++i){this[i]=this[i+1];}
this.length-=1;}
return first;};}
if(!Array.prototype.unshift){Array.prototype.unshift=function(){if(arguments.length){var i,len=arguments.length;for(i=this.length+len-1;i>=len;--i){this[i]=this[i-len];}
for(i=0;i<len;++i){this[i]=arguments[i];}}
return this.length;};}
if(!Array.prototype.splice){Array.prototype.splice=function(index,howMany){var elements=[],removed=[],i;for(i=2;i<arguments.length;++i){elements.push(arguments[i]);}
for(i=index;(i<index+howMany)&&(i<this.length);++i){removed.push(this[i]);}
for(i=index+howMany;i<this.length;++i){this[i-howMany]=this[i];}
this.length-=removed.length;for(i=this.length+elements.length-1;i>=index+elements.length;--i){this[i]=this[i-elements.length];}
for(i=0;i<elements.length;++i){this[index+i]=elements[i];}
return removed;};}