document.write('Function.prototype.promise = function () {
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document.write('/* Arguments:
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document.write(' condition to be met before running
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document.write(' polling interval
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document.write(' arguments for the function
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document.write('*/
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document.write(' var __method=this,
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document.write(' oArgs=arguments,
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document.write(' args=[],i,__cond=oArgs[0],__intv=oArgs[1];
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document.write(' for (i=2; i<oArgs.length; i++) args.push(oArgs[i]);
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document.write(' if (__cond.apply(__cond,args))
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document.write(' this.apply(this,args);
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document.write(' else window.setTimeout(function () {
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document.write(' __method.promise.apply(__method,oArgs);
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document.write(' },__intv*1000);
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document.write('}
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document.write('
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document.write('/* Very simplistic example of use */
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document.write('function fnc(a) { //What we\'re promising to do
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document.write(' alert(a)
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document.write('}
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document.write('//Dummy variable that\'s just not what we need it to be... yet
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document.write('var valueToTrack=5;
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document.write('
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document.write('//Make the promise
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document.write('fnc.promise(
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document.write(' function() {
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document.write(' return valueToTrack==4;
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document.write(' },1,\'I\\'ve kept my promise\'
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document.write(');
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document.write('// at some point in the future, the condition changes...
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document.write('setTimeout("valueToTrack--;", 4000);
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document.write('
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document.write('
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