[wvxvw]

var arrTemp:Function = function() {
	this.ggg = [];
	this.fieldsize_w = 10;
	this.fieldsize_h = 10;
	this.i = 0;
	this.j = 0;
	for (this.i = 0; this.i <= this.fieldsize_w; this.i++) {
		this["ggg" + this.i] = [];
		for (this.j = 0; this.j <= this.fieldsize_h; this.j++) {
			this["ggg" + this.i].push(0);
		}
		this.ggg[this.i] = this["ggg" + this.i];
		//trace("ggg2="+ggg2);
	}
}
var myMassive = new arrTemp();
myMassive.ggg[1][1] = 734.6;
trace(myMassive.ggg[1][1]);
trace(myMassive.ggg[0][0]);

Все работает... а что у вас не получалось?