function setTable(){

			var idNo = 1;
			var vTable = "<table border =''>";

				for(var row = 0; row <= 30; row++){
					vTable = vTable + "<tr>";
						for(var col = 0; col <= 50; col++){
							vTable = vTable + "<td width='5' height='5' id='" + idNo + "' onmouseover='doSetColor(this.id)'></td>";
							idNo = idNo + 1;
						}
					vTable = vTable + "</tr>";
				}
			vTable = vTable + "</table>"


			document.getElementById("mydiv").innerHTML = vTable;


		}